The Judge's gavel moves from his left side to his right side; later on during a pseudo-flashback.
At one point Peter struggles at length with a window shade, destroying and detaching it from the wall. In the very next scene, he has rejoined the other jurors to deliberate the case, and all the window shades are in place, with no sign of damage.
The Tyrannosaurus rex in the song has three fingers on each hand. This animal had only two fingers on each hand.
Why would Peter, Brian and Carter be selected for Adam West's Jury, this would be a huge conflict of interest as they're all related to him, via his Marriage to Carol (Carters Daughter and Peters Sister in Law).