“Supergirl” S04E18 “Crime and Punishment” Promo Video

The CW has released the promo video for the 18th episode of Season 4 of “Supergirl”.

Titled “Crime and Punishment” this episode is scheduled to air on The CW in the USA on Sunday, April 21 at 8.00pm ET/PT.

The next two weeks will see The CW air repeat episodes of “Supergirl”.