"Manhunter" -- J'onn J'onzz reveals the details of meeting Kara and Alex's father, Dr. Jeremiah Danvers, and assuming Hank Henshaw's identity, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Frame Grab: © 2016 WBEI. All rights reserved.

"Manhunter" -- J'onn J'onzz reveals the details of meeting Kara and Alex's father, Dr. Jeremiah Danvers (Dean Cain, right), and assuming Hank Henshaw's identity, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Frame Grab: © 2016 WBEI. All rights reserved.

"Manhunter" -- J'onn J'onzz reveals the details of meeting Kara and Alex's father, Dr. Jeremiah Danvers (Dean Cain, left), and assuming Hank Henshaw's identity, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Frame Grab: © 2016 WBEI. All rights reserved.

"Manhunter" -- J'onn J'onzz reveals the details of meeting Kara and Alex's father, Dr. Jeremiah Danvers (Dean Cain, far left), and assuming Hank Henshaw's (David Harewood, far right) identity, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/CBS ©2016 CBS Broadcasting, Inc. All Rights Reserved

"Manhunter" -- J'onn J'onzz reveals the details of meeting Kara and Alex's father, Dr. Jeremiah Danvers (Dean Cain, pictured), and assuming Hank Henshaw's identity, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/CBS ©2016 CBS Broadcasting, Inc. All Rights Reserved

"Manhunter" -- Kara (Melissa Benoist, pictured) debates trusting someone new with her secret identity and Siobhan (Italia Ricci) plots against Kara, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.

"Manhunter" -- Kara (Melissa Benoist, pictured) debates trusting someone new with her secret identity and Siobhan (Italia Ricci) plots against Kara, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.

"Manhunter" -- Kara (Melissa Benoist, pictured) debates trusting someone new with her secret identity and Siobhan (Italia Ricci) plots against Kara, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.

"Manhunter" -- Kara (Melissa Benoist, pictured) debates trusting someone new with her secret identity and Siobhan (Italia Ricci) plots against Kara, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.

"Manhunter" -- Kara (Melissa Benoist, pictured) debates trusting someone new with her secret identity and Siobhan (Italia Ricci) plots against Kara, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.

"Manhunter" -- J'onn J'onzz reveals the details of meeting Kara (Melissa Benoist, right) and Alex's (Chyler Leigh, left) father, Dr. Jeremiah Danvers (Dean Cain), and assuming Hank Henshaw's identity. Also, Kara debates trusting someone new with her secret identity and Siobhan (Italia Ricci) plots against Kara, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.

"Manhunter" -- J'onn J'onzz reveals the details of meeting Kara (Melissa Benoist, right) and Alex's (Chyler Leigh, left) father, Dr. Jeremiah Danvers (Dean Cain), and assuming Hank Henshaw's identity. Also, Kara debates trusting someone new with her secret identity and Siobhan (Italia Ricci) plots against Kara, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.

"Manhunter" -- J'onn J'onzz reveals the details of meeting Kara (Melissa Benoist, right) and Alex's (Chyler Leigh, left) father, Dr. Jeremiah Danvers (Dean Cain), and assuming Hank Henshaw's identity. Also, Kara debates trusting someone new with her secret identity and Siobhan (Italia Ricci) plots against Kara, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.

"Manhunter" -- J'onn J'onzz reveals the details of meeting Kara (Melissa Benoist, right) and Alex's (Chyler Leigh, left) father, Dr. Jeremiah Danvers (Dean Cain), and assuming Hank Henshaw's identity. Also, Kara debates trusting someone new with her secret identity and Siobhan (Italia Ricci) plots against Kara, on SUPERGIRL, Monday, March 21 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/Warner Bros. Entertainment Inc. © 2016 WBEI. All rights reserved.