Supergirl
Season 4, Episode 16: The House of L
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In the wake of Lex Luthor's return, the show flashes back to what he's been doing for the last two years and how his secret machinations and plans have affected Supergirl and Lena.
All Episodes - Season 4
Episode 1
American Alien
Episode 2
Fallout
Episode 3
Man of Steel
Episode 4
Ahimsa
Episode 5
Parasite Lost
Episode 6
Call to Action
Episode 7
Rather the Fallen Angel
Episode 8
Bunker Hill
Episode 9
Elseworlds (III)
Episode 10
Suspicious Minds
Episode 11
Blood Memory
Episode 12
Menagerie
Episode 13
What's So Funny About Truth, Justice, and the American Way?
Episode 14
Stand and Deliver
Episode 15
O Brother, Where Art Thou?
Episode 16
The House of L
Episode 17
All About Eve
Episode 18
Crime and Punishment
Episode 19
American Dreamer
Episode 20
Will The Real Miss Tessmacher Please Stand Up?
Episode 21
Red Dawn
Episode 22
The Quest for Peace