‘Supergirl’’s Season 1 Finale, ‘Crazy Ex-Girlfriend’ And More To Watch On TV Tonight!

Supergirl — 8 p.m. EST on CBS

Kara must defeat her latest challenge during the show’s Season 1 finale!

Crazy Ex-Girlfriend — 8 p.m. EST on The CW

Rebecca must overcome some major drama while attending Josh’s sister Jayma’s wedding during the show’s Season 1 finale!

12 Monkeys — 9 p.m. EST on Syfy

Cole and Ramse get over their issues as they battle the Army of the 12 Monkeys.

Bates Motel — 9 p.m. EST on A&E

Norman uncovers some secrets form his past!

Castle — 10 p.m. EST on ABC

Hayley must face the consequences of a recent dilemma!