Previous Greatness: Legendary status in the games of baseball, basketball, football and track.
Did athletes such as Reggie Jackson, Jackie Joyner-Kersee and Larry Bird deserve to have their names sullied for such a one-note, non-funny premise? (Look, all the aliens are named after sports stars! That kid is named Dick Butkus! Hilarious!) Then again, unlike the actors forced to sell this stuff, the athletes don't actually have to show up.
Photo Credits: Gregg DeGuire/Getty Images; Jason LaVeris, FilmMagic; NBC, Chris Haston / NBC; Chris Haston/NBCU Photo Bank/Getty Images; Vivian Zink/Getty Images; Bill Records/NBC via Getty Images; Gilbert Carrasquillo, FilmMagic; Michael Lavine/FOX; Laurie Sparham/Netflix; Gene Page/AMC; Giovanni Rufino, ABC via Getty Images; Richard Cartwright/ABC via Getty Images