Watch Supergirl Season 4 Episode 20 online via TV Fanatic with over 1 options to watch the Supergirl S4E20 full episode. Affiliates with free and paid streaming include Amazon.

Episode Details

On Supergirl Season 4 Episode 20, when Kara and Lena try to hunt down Lex, Eve Tessmacher sets a trap that could ultimately reveal that Kara is Supergirl.

Rating: 4.4 / 5.0 (74 Votes)
Episode Number:

Supergirl Season 4 Episode 20 Quotes

Must be strange to have a sibling with superpowers, huh?


Start with James Olsen because I would like to know how the hell he got superpowers.

Ben Lockwood