*knockle knockle

sans knockles the door

Knockle knockle it's sans

Sans knocked on the door to hard and it broke

sans knocked too hard and broke the door

Sans tries to tell a knock knock joke. The door has a hole in it.

sans asks frisk a knock knock joke but frisk is confused since they arent at a door

sans encouraging frisk to tell toriel knock knock jokes

Knock knock it's Friskles