Bobby impresses no one but his teacher when he learns Commedia Dell'Arte.Bobby impresses no one but his teacher when he learns Commedia Dell'Arte.Bobby impresses no one but his teacher when he learns Commedia Dell'Arte.
The "equation" the clown class instructor, Mr Twilley, writes on the board is referencing "comedy in threes" over "comedy is tragedy plus time." These are considered two fundamentals of comedy.
At about 18:02 is a shot from behind Bobby Hill looking out at the stage. He is about to go on and perform the Tartuffe routine. His costume does not include the dog ears which can be seen in the shots before and after this one.