|The Greatest Adventure in the History of Basic Cable|
|Air Date||August 8, 2008|
|Written by||Josh Bycel|
|Directed by||Jay Chandrasekhar|
|Guests|| Steven Weber|
Mark D. Espinoza
|Next episode||"Disco Didn't Die. It Was Murdered!"|
What starts out as a treasure hunt turns into a life or death situation when Shawn's uncle Jack (Steven Weber) arrives in town with a map apparently leading to an ancient Spanish treasure. Gus and Henry get involved, as well as the detectives, when all of Jack's ex-partners show up looking for the treasure, and they all have a bone to pick with him.