Other Robin Williams films referenced?.?.?.?.?.?

Obviously, Robots was. Weebo looked like it came straight from that movie.

Before the basketball game as well (and I'm explaining this from memory), he said 'Showtime' in a slight Mrs. Doubtfire-type voice, which is the exact same thing he said in Mrs. Doubtfire when he hung up the phone with his wife (when he plans to create Mrs. Doubtfire).