Leno ‘PumpCast’ Prank Makes Unsuspecting Couple Karaoke All-Stars

What started out as a prank segment on the Tonight Show, just made a couple from Burbank famous!

The prank starts out at a gas pump in Burbank equipped with a fictional 'Pumpcast' video screen. They are simular to the ones that provide informational services that news and entertainment stories to keep you from falling asleep at the pump as you fill the tank on your Prius.

Tim Stack of Parker Lewis Can't Lose fame, plays a news anchor for the fictional news station, when he suddenly goes live to the pump where Will Sim's is pumping gas. The rest will now be considered one of the best pranks from late night TV!

Watch the 'PumpCast' prank here:

Watch Will and Monifa Sim's appearance on the Tonight Show: