Related: Kat Dennings and Seann William Scott Reveal What It's Really Like Working with Tim Allen (Exclusive) Scott, 48, confirmed that his costar was indeed stressed about nailing the line reading.

The Shifting Gears season finale found a way to nod at Seann William Scott's comedy film with Ashton Kutcher Dude, Where's My Car? "It was a surprise when I read the script," Scott, 48 ...

From left: Seann William Scott and Ashton Kutcher in 'Dude, Where's My Car?' Related: Kat Dennings Says She and Tim Allen Were 'Dreading' Crying on Shifting Gears — But Then It Became 'Real' ...