Episode #13: "Bad Friend"

Debut: SUNDAY, JAN. 27 (9:00-9:30 p.m.)

Other HBO playdates: Jan. 27 (10:00 p.m., 11:00 p.m.) and 29 (10:00 p.m.), and Feb. 1 (midnight)

HBO2 playdates: Jan. 28 (9:00 p.m.) and 29 (11:30 p.m.)

On a freelance writing assignment to get out of her comfort zone, Hannah befriends the junkie downstairs and parties hard with Elijah, who reveals an explosive secret. Meanwhile, Marnie has a long awaited run-in with artist Booth Jonathan (Jorma Taccone).

Written by Lena Dunham & Sarah Heyward; directed by Jesse Peretz.