Awesome / Talkin' 'bout Your Generation

  • Josh's elderly grandmother Mona's appearance on the show. She picked "Trust Me", then volunteered to be the one strapped into a chair and covered in sour cream. She also "helped" Josh in End Game, not by helping him directly, but by sabotaging Charlie.
http://tvtropes.org/pmwiki/pmwiki.php/Awesome/TalkinBoutYourGeneration