The Arrival - S1-E4
Trivia: Michael Cerveris makes his first significant appearance in this episode as The Observer/Bald Man. However if you watch the series from the beginning, he makes fleeting appearances in every episode, sometimes on a tv screen.
Trivia: Someone on Leverage's writing staff is a Dr. Who fan. When the team is on the escalator at the airport, Hardison asks Nate over the ear piece, "What IDs have you got on you?" Nate replies, "Let's see, we've got Peter Davison, Sylvester McCoy, and I have a Tom Baker." Sophie chirps, "Oh! I have a Baker as well!" Nate and Sophie then board the plane as Mr. and Mrs. Tom Baker. This was the first of what would become a running gag: the Tom Baker alias and several other Who references recur throughout the series. (00:12:00)
Trivia: The lakeside cabin Jane bought was shot on location at Disney's Golden Oak Ranch. It is called 'Cabin by the Lake'. Http://www.lamag.com/citythinkblog/scene-golden-oak-ranch-mentalist/.
A Knight In Shining Armor - S1-E1
Trivia: When the bad guys first enter Graiman's garage, the original Firebird KITT can be seen from the original series.