
Knock Knock
- Gads: 1940
- Valsts: United States of America
- Žanrs: Animation, Comedy
- Studija: Walter Lantz Productions
- Atslēgvārds: roof, cartoon bear, irritation, cartoon bird, noise, cartoon panda, cartoon woodpecker
- Direktors: Walter Lantz, Alex Lovy
- Lomās: Sara Berner, Mel Blanc