Harley Quinn Season 4 Episode 10
Killer's Block
Ivy crashes a birthday party on the moon. Harley contemplates how to best avenge her friend.
Guest Stars
Giancarlo Esposito
Lex Luthor (voice)
Harvey Guillén
Nightwing (voice)
Diedrich Bader
Bruce Wayne (voice)
Tom Hollander
Alfred (voice)
Sanaa Lathan
Catwoman (voice)