0
Here is a knock knock bison joke: Knock Knock. Who's there? Bison. Bison who? Bison girl scout cookies.
knock knock, whose there "FBI OPEN UP" "fbi open up" who? OH WAIT RUNNNNNN
Knock knock. Who's there? Popcorn. Popcorn who? Popcorn and movie time.
Knock knock. Who's there? Belly. Belly who? Belly dancer.
Knock knock. Who's there? Cup. Cup who? Cup o' Joe.