Knock Knock Joke Segment is a segment featuring Jack McBrayer and Paul Scheer, debuting in Season 2. In the segment, one of them (whoever is on the left side) knocks the door, and the other replies with "Who's there?", the one on the left then says a name, the other says "(Name) who?", and it ends with a funny joke.
Season 2[]
- Weather: Ken
- Animals: Interrupting Cow
- Mystery: Sherlock
- New Friends: Cargo
Season 3[]
Season 4[]
- DJ Lance's Super Music and Toy Room: Boo & No One
- Dinosaur: Ice Cream
- Day Camp: Alligetor
Gallery[]
Season 2 Segment
Season 3 Segment
Season 4 Segment
Trivia[]
- In the segment from DJ Lance's Super Music & Toy Room, Paul and Jack appear on the left side together.