Cloudy with a Chance of Puffy Shirts! The Rock's got his first giant role, a quiet movie about the last day of high school in the 70s slowly becomes a classic, Boy Meets World debuts, Dexter says goodbye, and CBS will unleash two of the biggest hits in television history. Miley wrecks it, the semi-forgotten inaugural MCU TV series, and Kevin McCallister KILLS! All that and more, this week on Thirty Twenty Ten.