Tylor gaat bij AngstCo. werken. Bij Monsters en Co. moeten ze alles op alles zetten om genoeg lachstroom te produceren.
Gastrollen:
Stephen Stanton(Sanderson (voice)), Ben Feldman(Tylor (voice)), John Goodman(Sulley (voice)), Henry Winkler(Fritz (voice)), John Ratzenberger(Bernard (voice)), Billy Crystal(Mike (voice)), Lucas Neff(Duncan (voice)), Alanna Ubach(Cutter / Carla (voice)), Aisha Tyler(Millie (voice)), Mindy Kaling(Val (voice)), Christopher Swindle(M.E.R.C. Official 2 / Phlegm / Additional Monsters (voice)), Dee Bradley Baker(Banana Bread / Chompy / Swamp Man / Angry Citizen (voice)), Roberts Gannaway(Roto (voice)), Carlos Alazraqui(John Rivera (voice)), Romi Dames(Lanky (voice)), Nathan Fillion(Johnny (voice)), Jenifer Lewis(Grandma Tuskmon (voice)), Ali Wong(Jill (voice)), Joe Lo Truglio(Jack (voice)), Roxana Ortega(Celia Mae (voice)), Alan Kim(Ben (voice)), Nohely Quiroz(Additional Monsters (voice)), Max Mittelman(Additional Monsters (voice)), Kimberly Brooks(Additional Monsters (voice)), Rhys Darby(Roger Rogers (voice)), Bobby Moynihan(Chet (voice)), Corey Burton(Slappy (voice)), Kevin Deters(DJ Slinky Stinkwell (voice)), Alan Tudyk(M.E.R.C. Official 1 / Alarmed Monster (voice)), Paula Pell(Sunny (voice)), Richard Ayoade(Declan (voice)), Janelle James(Joy (voice)), Jimmy Tatro(Skyler (voice)), Aubrey Matalon(Scarlett (voice)), Steve Buscemi(Randall (voice)), Tessa Rozanski(Hilary / Sweet Kid (voice)), Sam Deters(Not Valet Monster (voice))