Donald Trump returns to the boardroom as he guides 14 celebrities through daunting business-related challenges throughout New York City. This season's crop of famous contestants includes a pair of Olympic gold medalists -- sprinter Michael Johnson and swimmer Summer Sanders -- and reality show veterans Bret Michaels and Sharon Osbourne. Controversial former Illinois Gov. Rod Blagojevich also puts his business acumen to the test in trying to avoid hearing Trump utter his famous catchphrase: "You're fired!"