Season 4 of A.P. Bio continues the show's evolution into a high-energy, absurdist ensemble comedy. Released on Peacock, it focuses on Jack Griffin finally embracing his role as a chaotic mentor to his students while navigating his own unresolved family trauma.
September 2, 2021
Jack has the students form a fake cult to sabotage Principal Durbin's new school uniforms.
Episode 3
An Oath to Rusty
September 2, 2021
Jack attempts to get closer with the guys at work. Helen helps Principal Durbin grow a backbone.
Episode 4
Tons of Rue
September 2, 2021
Jack tries to expose his allegedly reformed deadbeat dad. A witch shakes up the Whitlock High staff.
Episode 5
The Perfect Date From Hell
September 2, 2021
Jack finds out he's his girlfriend's therapy homework. Principal Durbin goes undercover.
Episode 6
Love, for Lack of a Better Term
September 2, 2021
Victor sends Ashlanda a risqué photo. Grace and Anthony try to set up Mary and Principal Durbin.
Episode 7
Malachi
September 2, 2021
A jealous Jack crashes his girlfriend's dinner with a male friend. Helen rebounds after a breakup.
Episode 8
The Harvard Pen
September 2, 2021
Jack's students steal his Harvard pen. Principal Durbin fails the superintendent's inspection.
