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Young Sherlock Season 1

Season 3

Season 3 of A.P. Bio marked the show's transition from NBC to the streaming platform Peacock. This shift allowed the series to become more experimental, lean into its absurdist comedy, and focus less on Jack Griffin (Glenn Howerton)'s desire to leave Toledo and more on his bizarre integration into Whitlock High.

20208 EpisodesComedy

Cast & Crew

Glenn Howerton

Glenn Howerton

Jack Griffin

Patton Oswalt

Patton Oswalt

Principal Ralph Durbin

Paula Pell

Paula Pell

Helen Henry Demarcus

Mary Sohn

Mary Sohn

Mary

Jean Villepique

Jean Villepique

Michelle

Lyric Lewis

Lyric Lewis

Stef

Episode Guide

When Jack is dissatisfied with the popcorn maker he ordered, he and the students hatch a plan for revenge. Meanwhile, Helen returns to school to earn her high school diploma, and chaos erupts in Principal Durbin's office in her absence.

Season 3 FAQs

The cast of Season 3 includes Glenn Howerton as Jack Griffin, Patton Oswalt as Principal Ralph Durbin, Paula Pell as Helen Henry Demarcus, Mary Sohn as Mary, Jean Villepique as Michelle, and Lyric Lewis as Stef.