S4 E1: A Matter of Family

S4 E2: Team Penguin

S4 E3: Clayfaces

S4 E4: The Everywhere Man

S4 E5: The Breakout

S4 E6: Strange New World

S4 E7: Artifacts

S4 E8: Seconds

S4 E9: Riddler's Revenge

S4 E10: Two of a Kind

S4 E11: Rumors

S4 E12: The Joining (1)

S4 E13: The Joining (2)