'Drunk History': Vanessa Hudgens and Rachel Bilson Are In 'A League of Their Own' (Exclusive)

In the baseball-themed episode of 'Drunk History,' Vanessa Hudgens and Rachel Bilson help tell the story of the Callaghan Sisters, the real-life siblings and ballplayers who inspired A League of Their Own.  Anais Fairweather narrates the tale, and there's a special appearance from Megan Cavanagh -- the actress who played Marla Hooch in ALOTO -- as the late Penny Marshall. the film's director. The 'Baseball' episode of 'Drunk History' premieres Tuesday, Jan. 29, at 10 p.m. ET/PT on Comedy Central.