Animal Einsteins
Episode: 4x01 | Airdate: Jan 3, 2014
Episodes
Extremities
Episode: 4x02 | Airdate: Jan 10, 2014
Friends with Benefits
Episode: 4x03 | Airdate: Jan 24, 2014
Creepy Cures
Episode: 4x04 | Airdate: Jan 25, 2014
Happy Hour
Episode: 4x05 | Airdate: Jan 31, 2014
Bizarre Babies
Episode: 4x06 | Airdate: Feb 7, 2014
Funny Farms
Episode: 4x07 | Airdate: Feb 14, 2014
Swingers
Episode: 4x08 | Airdate: Feb 21, 2014
Animal Apocalypse
Episode: 4x09 | Airdate: Feb 28, 2014
Specials
Busted!: Animal Smugglers
Episode: S04 Special | Airdate: Jun 6, 2014
XXL Pets
Episode: S04 Special | Airdate: Apr 11, 2014
Micro Pets
Episode: S04 Special | Airdate: Apr 4, 2014