which they did remember as they already bought the twins gifts. But the worst thing in not remembering what happened last night is that Jesse's car is missing. In trying to find out what happened ...

Kat Dennings and Seann William Scott shared the story behind the episode's shoutout to Scott's 2000 comedy film Dude, Where's My Car? — and the hilarious lengths Dennings, 38, went to in order ...

Kat Dennings and Seann William Scott shared the story behind the episode's shoutout to Scott's 2000 comedy film Dude, Where's My Car? — and the hilarious lengths Dennings, 38, went to in order ...

From left: Kat Dennings and Seann William Scott in 'Shifting Gears', Ashton Kutcher and Seann William Scott in 'Dude, Where's My Car?' ...