Psych: Season 3, Episode 8

3 - 8: Gus Walks into a Bank

Gus ends up in a hostage situation after he walks into a bank. As Shawn attempts to negotiate with the gunman (Alan Ruck), he realizes that the situation was not meant to be a bank robbery, and not only does he butt heads with the chief negotiator (Gary Cole), he discovers something about Juliet that he would rather just forget.