At around 3 minutes, Eric, Hyde, Kelso and Donna are at The Hub. Donna storms off, the camera changes angle to Eric and Kelso, then to Hyde. The back of Donna's head is still visible in her chair. The camera angle flips back to view the door and she's gone.
Patty says that she heard G11 and called Bingo. G and 11 are in different bingo rows.
The side of Kelso's van has the 1984 modified cover art painted by Boris Vallejo for the book 'Conan, The Victorious' on the side.