Let's Spend the Night Together - S7-E2
Factual error: After Kelso gets the call that his girlfriend's water had broken and runs out of the room, Fez answers the phone. In the background there are several license plates on the wall, one of which is an Indiana "Amber Waves of Grain" design, which was first issued in 1993.
Factual error: Sizzling Sara is doing her live radio broadcast in front of a rack of magazines. One of the magazines is a Robin comic book. The series of Robin comics that used that logo began in 1993, 14 years after the episode takes place. (00:15:35)
Answer: It's Ashton Kutcher's dog.