Continuity mistake: Sometimes when Al opens the elevator door, he has to hit the button. At other times, the door will open on its own.
Audio problem: After Al tells Rusty that his infomercial products won't help his baseball mitt, Rusty can be seen mouthing Al's lines.
Time Machine - S1-E5
Plot hole: After Al guests knocked out by the Russian dancer, he is woken up by his friends. However, according to the series events before this, Terri Garr should have found him first.
Continuity mistake: After the Squirmese chef sets up his additional ingredients, Corky answers the video phone. During Corky's conversation, Al's kitchen can be seen with no trace of the chef or his ingredients.
