This week on Comedy Central’s “Reality Bites Back” the contestants compete in “The Biggest Chubby,” where they see who can pack on the most pounds in a parody of "The Biggest Loser.” Watch the stand-ups check in on the scales before they commence their eat-off. Tune in to “Reality Bites Back” every Thursday night at 10:30 p.m. on Comedy Central. www.comedycentral.com