“A.P. Bio” will soon be returning for a brand new season. 

The first trailer for season 4 of Showcase’s hit comedy show dropped on Monday, Aug. 9.

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“Get Hoppy!” Pictured: (l-r) Laird Macintosh as Mark, Maria Thayer as Molly, Patton Oswalt as Principal Ralph Durbin, Glenn Howerton as Jack Griffin
“Get Hoppy!” Pictured: (l-r) Laird Macintosh as Mark, Maria Thayer as Molly, Patton Oswalt as Principal Ralph Durbin, Glenn Howerton as Jack Griffin

The hilarious sneak peek teases a tornado warning and the arrival of Jack’s dad, “Mr. Mr. Griffin”, who is played by Bruce Campbell.

Meanwhile, the introduction of school uniforms leads to the emergence of a cult among the students.

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The show centres on Jack (Glenn Howerton), who is forced to take a job teaching biology in a local high school after losing his position as a Harvard philosophy scholar.

The Showcase series also stars Patton Oswalt as Principal Durbin.

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