All 22 episodes from the fourth season of the adventure drama starring Melissa Benoist as the DC Comics superheroine. Since being sent to Earth as a young girl to protect her cousin Superman, 20-something Kryptonian Kara Zor-El (Benoist) has been keeping her superpowers secret. However, when disaster strikes she has no choice but to become Supergirl, the heroine of National City. In this season, Kara faces rising anti-alien hatred and the villainous Agent Liberty (Sam Witwer).
The episodes are:
- 'American Alien'
- 'Fallout'
- 'Man of Steel'
- 'Ahimsa'
- 'Parasite Lost'
- 'Call to Action'
- 'Rather the Fallen Angel'
- 'Bunker Hill'
- 'Elseworlds, Part 3'
- 'Suspicious Minds'
- 'Blood Memory'
- 'Menagerie'
- 'What's So Funny About Truth, Justice and the American Way?'
- 'Stand and Deliver'
- 'O Brother, Where Art Thou?'
- 'The House of L'
- 'All About Eve'
- 'Crime and Punishment'
- 'American Dreamer'
- 'Will the Real Miss Tessmacher Please Stand Up?'
- 'Red Dawn'
- 'The Quest for Peace'