Starring the Voices Of: Kaley Cuoco (Harley Quinn), Lake Bell (Poison Ivy), James Adomian (Clock King / Skeleton 1 / Eclipso), Diedrich Bader (Bruce Wayne / Automaton Sentry), Briana Cuoco (Oracle), Stephen Fry (Brainiac), Natalie Morales (Lois Lane), Aisha Tyler (Lena Luthor), Jim Rash (The Riddler), Cherise Boothe (Catwoman), Tisha Campbell (Tawny / Manager), Drew Massey (Jimmy Olsen / Performer 1), Katie Rich (Enchantress / Child), James Wolk (Superman)
Written By: Jamiesen Borak
Directed By: Diana Huh
Ep: 48
Back to School
Starring the Voices Of: Kaley Cuoco (Harley Quinn), Lake Bell (Pamela Isley aka Poison Ivy), James Adomian (Bane / Vincent Edge / Animal Control Officer), Ron Funches (King Shark), John Slattery (Jason Woodrue), JB Smoove (Baby Frank the Plant), Aisha Tyler (Lena Luthor), Casey Wilson (Betty), Kimberly Brooks (Shaun Shark), Mary Deaton (Pippa Impersonator), Carla Delaney (Goldilocks / Old Lady)
Written By: Leslie Schapira
Directed By: Christina Manrique
Ep: 49
Floronic Man
Starring the Voices Of: Kaley Cuoco (Harley Quinn), Lake Bell (Poison Ivy), James Adomian (Bane / Owner), Natalie Morales (Lois Lane), Alan Tudyk (Clayface / Perry White), John Slattery (Jason Woodrue aka Floronic Man), JB Smoove (Frank the Plant), Mary Deaton (Grad Student #3), Phil LaMarr (Koko), Drew Massey (Jimmy Olsen / Grad Student #1), Bumper Robinson (Grad Student #2)
Written By: Vidhya Iyer
Directed By: Joonki Park
Ep: 50
Breaking Brainiac
Starring the Voices Of: Kaley Cuoco (Harley Quinn), Lake Bell (Poison Ivy), Stephen Fry (Brainiac), Aisha Tyler (Lena Luthor), Phil LaMarr (Mr Starr / Koko / Citizen), Mary Deaton (Kandor Woman), Jill Talley (Wife / Vrill II / Mrs. Starr)
Written By: Katie Rich
Directed By: Diana Huh
Ep: 51
Big Pasta Dinner
Starring the Voices Of: Kaley Cuoco (Harley Quinn), Lake Bell (Poison Ivy), Diedrich Bader (Bruce Wayne / Sven), Harvey Guillén (Red X / Dick Grayson), Tom Hollander (Alfred Pennyworth / The Macaroni Man), Natalie Morales (Lois Lane), JB Smoove (Frank the Plant), Jacob Tremblay (Damian Wayne), Alan Tudyk (The Joker), Kimberly Brooks (Shaun the Shark), Lilimar (Sophia)
Written By: Jamiesen Borak
Directed By: Christina Manrique
Ep: 52
Bottle My Heart
Starring the Voices Of: Kaley Cuoco (Harley Quinn), Lake Bell (Poison Ivy), James Adomian (Bane), Diedrich Bader (Bruce Wayne), Stephen Fry (Brainiac), Natalie Morales (Lois Lane), JB Smoove (Frank the Plant), Alan Tudyk (Clayface / Perry White), Aisha Tyler (Lena Luthor), Kimberly Brooks (Actress 1 / Actress 2), Phil LaMarr (Koko), Whitney Rice (Crowd)
Written By: Dean Lorey
Directed By: Joonki Park
Ep: 53
Frankette
Starring the Voices Of: Kaley Cuoco (Harley Quinn), Lake Bell (Poison Ivy), James Adomian (Bane), Ron Funches (King Shark), Stephen Fry (Brainiac), JB Smoove (Frank the Plant), Alan Tudyk (Clayface), Aisha Tyler (Lena Luthor), Maria Bamford (Frankette / Dutch Teacher), Kimberly Brooks (Shaun Shark), Carla Delaney (Goldilocks), Whitney Rice (Student Crowd), Katie Rich (Plants)
Written By: Leslie Schapira
Directed By: Diana Huh
Ep: 54
Family Feud
Starring the Voices Of: Kaley Cuoco (Harley Quinn), Lake Bell (Poison Ivy), Diedrich Bader (Bruce Wayne / Surgeon / Goon 2), Stephen Fry (Brainiac), Paula Pell (G.A.I.L.), Aisha Tyler (Lena Luthor), Charlie Adler (Nick / Goon 1), Susie Essman (Sharon)
