Veteran sitcom executive producer Chuck Lorre is going back to the well for one of his shows as a new report revealed he's enlisted former Two and a Half Men co-star Melanie Lynskey for a role in his other series, Young Sheldon. According to TV Line, Lynsky will take on the role of Sheldon’s philosophy teacher, Professor Ericson and appear in the show's episode set to air on February 11. That episode, appropriately titled “A Philosophy Class and Worms That Can Chase You,” will showcase the titular genius on his first day of college which is “derailed by his new philosophy teacher.”