There were some big changes coming into the second season of AP Bio on NBC.

Even years later, fans are still confused by the cast changes that came inAP BioSeason 2.

What Happened to Devin and Colin in AP Bio Season 2?

AP Bio Devin, Colin, and Dr. Jack Griffin

At the time of filming, Albrizzi was set to star in the Netflix sitcomMr.

Iglesiasand McCarthy was in the middle of production on both a movie and made-for-TV film.

AP Biois now streaming onNetflix.

Jacob McCarthy as Devin in a green jacket and Tucker Albrizzi as Colin McConnell in a suit in AP Bio

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