Supergirl and The Flash Crossover Promo Debuts
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"Worlds Finest" -- Kara (Melissa Benoist, left) gains a new ally when the lightning-fast superhero The Flash (Grant Gustin, right) suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash (Grant Gustin, pictured) suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara (Melissa Benoist, left) gains a new ally when the lightning-fast superhero The Flash (Grant Gustin, right) suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Also pictured: Mehcad Brooks (center) Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara (Melissa Benoist, left) gains a new ally when the lightning-fast superhero The Flash (Grant Gustin, right) suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
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SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured left to right: Jeremy Jordan, Grant Gustin, Mehcad Brooks and Melissa Benoist Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Calista Flockhart Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara (Melissa Benoist, right) gains a new ally when the lightning-fast superhero The Flash (Grant Gustin, left) suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured left to right: Jenna Dewan-Tatum, Melissa Benoist, Grant Gustin and Jeremy Jordan, Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
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SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Jenna Dewan-Tatum Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash (Grant Gustin, pictured) suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara (Melissa Benoist, left) gains a new ally when the lightning-fast superhero The Flash (Grant Gustin, right) suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire (Brit Morgan, center) in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured left to right: Jenna Dewan-Tatum, Melissa Benoist and Grant Gustin Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
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SUPERGIRL
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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire (Brit Morgan, pictured) in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee (Italia Ricci, pictured), and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee (Italia Ricci, left), and Livewire (Brit Morgan, right) in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee (Italia Ricci, right), and Livewire (Brit Morgan, left) in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Also pictured: Calista Flockhart (center) Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
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SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee (Italia Ricci, pictured), and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara (Melissa Benoist, pictured) gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
SUPERGIRL
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SUPERGIRL

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SUPERGIRL

"Worlds Finest" -- Kara (Melissa Benoist) gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.
The Flash and Supergirl Crossover poster
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The Flash and Supergirl Crossover poster

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The Flash and Supergirl Crossover poster

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The Flash and Supergirl Crossover poster
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The Flash and Supergirl Crossover poster

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The Flash and Supergirl Crossover poster

The Flash on the Supergirl Set
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The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

The Flash on the Supergirl Set
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The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

The Flash on the Supergirl Set
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The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

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The Flash on the Supergirl Set
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The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

The Flash on the Supergirl Set
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The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

The Flash on the Supergirl Set
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The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

The Flash on the Supergirl Set
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The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

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The Flash on the Supergirl Set
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The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

The Flash on the Supergirl Set
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The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

The Flash on the Supergirl Set
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The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

The Flash on the Supergirl Set
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The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

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The Flash on the Supergirl Set
+

The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

The Flash on the Supergirl Set
+

The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

The Flash on the Supergirl Set
+

The Flash on the Supergirl Set

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The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

The Flash on the Supergirl Set
+

The Flash on the Supergirl Set

-

The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com

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The Flash on the Supergirl Set
+

The Flash on the Supergirl Set

-

The Flash on the Supergirl Set

Melissa Benoist get into character while filming new scenes for her hit show "Supergirl" with special guest Grant Gustin as Flash for the special episode. Calista Flockhart was also seen on set in Los Angeles and was being saved by the two heroes as she gets hassled by two villains. Credit: Cousart / JFXimages / WENN.com