Kal Penn, Corey Glover, Stanley Tucci, Iliza Shlesinger, Jesse L. Martin
St. Patrick's Day; Cameo-oke: Corey Glover sings "Cult of Personality"; Stanley Tucci; "Stanley's Superlatives"; Iliza Shlesinger; Green Island Bakery; Kelly Extra: Denis Leary; Jesse L. Martin ("The Irrational"); guest host Kal Penn.