I have seen this show on Discovery Channel a couple of times. They seem to have only 4 episodes, and DC doesn't do any advertising for it so you have to keep checking listings to see when it will be on.
Interesting job to have...so much more involved than just hooking up a car with a tow truck. Have to find the plane, dodge airport security, make sure the plane is airworthy & hire a qualified flight crew to ferry it out, and pay off all the landing and FBO fees owed by the delinquent former operator, not to mention deal with the International laws and Customs regulations involved.
Here's a couple of older articles about them:http://www.salon.com/2009/06/06/lear_jet_repo_man/http://www.airspacemag.com/history-of-flight/Grab-the-Airplane-and-Go.html