TV schedule welcomed Tim Allen back to the world of sitcoms with the premiere of Shifting Gears, which immediately became a ratings competitor on Wednesday nights. Alongside fellow sitcom vet Kat Dennings,

Leno’s appearance on 'Shifting Gears' will air on March 12Jay Leno is teaming up with Tim Allen once again!On Feb. 11, ABC announced that the former Tonight Show host, 74, will make a cameo as himself on the March 12 episode of Shifting Gears.

Natural, because Shifting Gears is the story of Allen’s character Matt, the stubborn, widowed owner of a classic car restoration shop. So, on the ninth episode of the comedy, airing March 12, Leno plays himself, and he brings his car into Parker Customs for repair.

Tim Allen spoke exclusively to Us Weekly about reuniting with pal Jay Leno on his new ABC sitcom 'Shifting Gears'

Sitcom icons Tim Allen, beloved for shows like Home Improvement and Last Man Standing, and Kat Dennings, known for her role in 2 Broke Girls, have joined forces in the all-new ABC comedy Shifting Gears—and we can’t get enough of their hilarious chemistry on-screen as a father-daughter duo!

Tim Allen is in his happy place. He's leaving the Disney lot in Burbank, California, after another day of shooting his new hit ABC sitcom, "Shifting Gears" (Wednesdays, 8 EST/PST and streaming the next day on Hulu), and hopping into his 1,000-horse power Tesla Plaid. (Cue that signature Neanderthal grunt.)

Ultimately, it's working. Kat Dennings is a great live studio audience sparring partner, and the two of them have a real-life commonality as well. Shifting Gears already hit a milestone at ABC, so here's hoping it stays on the air long enough to reach a future where there's some sitcom crossover like on Last Man Standing.

Tim Allen recently launched his third starring sitcom, Shifting Gears, which has already become a smash hit in the ratings. But at 71, Allen realizes that his time on network television may be coming to an end.