Knock Knock
- Shekara: 1940
- Kasa: United States of America
- Salo: Animation, Comedy
- Studio: Walter Lantz Productions
- Mahimmin bayani: roof, cartoon bear, irritation, cartoon bird, noise, cartoon panda, cartoon woodpecker
- Darakta: Walter Lantz, Alex Lovy
- 'Yan wasa: Sara Berner, Mel Blanc