: Howard runs into his ex-girlfriend, Bernadette, at the Cheesecake Factory. He eventually confesses to Penny the embarrassing reason they broke up: he had a virtual affair with a troll in World of Warcraft .
: Sheldon and Raj are forced to share an office. Tensions escalate into an "all-out office war" after Raj buys an unnecessarily large desk just to irritate Sheldon. Watch www xrysoi se The Big Bang Theory - S04E04
: Look for fantasy cameos from Katee Sackhoff ( Battlestar Galactica ) and George Takei ( Star Trek ), who offer Howard conflicting romantic advice. : Howard runs into his ex-girlfriend, Bernadette, at
See Howard's attempt to resolve his office space dispute with Sheldon in this highlight: : Howard runs into his ex-girlfriend