EXCLUSIVE: Tubi has picked up Underdeveloped, a mockumentary from Brian A. Metcalf, starring Thomas Ian Nicholas, Tom Arnold and Mark Pellegrino. It will premiere globally September 8 on Fox Entertainment’s free streaming service Tubi. As an independent production with no direct ties to members of the Alliance of Motion Picture and Television, it also is one of the latest projects to receive a waiver from SAG-AFTRA amid the actors strike, so filming can move forward.