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.

Nancy Travis‘ guest spot on ABC's Shifting Gears featured a major nod to her time with Tim Allen on Last Man Standing. "There's a wink in the episode where you know that there's a past," Travis, 63, exclusively told Us Weekly about how the sitcom acknowledged her past with Allen,

"I got to work with Tim again, not in the role of a wife or a girlfriend, but as a stranger who shares a similar past and is a catalyst for him moving forward after the death of h

Ahead of her guest appearance on ABC's 'Shifting Gears,' Nancy Travis opens up to PEOPLE about the most difficult part of working with her 'Last Man Standing' costar Tim Allen.