Happy Anniversary, Charlie Brown
- År: 1976
- Land: United States of America
- Genre: Animerat, Dokumentär
- Studio: Lee Mendelson Film Productions, Charles M. Schulz Creative Associates
- Nyckelord:
- Direktör: Lee Mendelson
- Kasta: Carl Reiner, Charles M. Schulz, Bill Melendez, Duncan Watson, Lynn Mortensen, Liam Martin