A list of anniversaries for the Muppets and The Jim Henson Company.
30th anniversary (1986)
50th anniversary (2005)
- DVD: Releases of The Muppet Movie, The Great Muppet Caper, The Muppet Christmas Carol, and Muppet Treasure Island under the banner "Kermit's 50th Anniversary Edition"
- Events: Kermit's World Tour (cut short)
- Events: The Paley Center for Media had two events: One-day 50th anniversary celebration, and "Celebrating 50 years of Jim Henson and the Muppets"
- From September 28 to 30, 2005, Brian and Heather Henson celebrated "50 years of the Jim Henson Company" at the Salt Lake City Library, screening a selection of movies, archive material and clips of upcoming projects, while offering several Q&As and autograph opportunities
The Muppet Show
25th anniversary (2001-2003)
- Album: Music, Mayhem and More!
- Action Figures: Palisades Toys Muppet action figure line (only series 1-3 promoted the anniversary)
- Toys: Muppets 25th Anniversary Happy Meal plush
- Events: MuppetFest
25th anniversary (2008)
30th anniversary (2012-2013)
The Muppet Movie - 35th anniversary (2013)
Sesame Street Presents: Follow That Bird - 25th anniversary (2009)
The Muppet Christmas Carol - 20th anniversary (2012)
The Dark Crystal
- DVD: The Dark Crystal: 25th Anniversary Edition
- Album: The Dark Crystal: 25th Anniversary Edition Soundtrack
- Statues: The Dark Crystal 25th Anniversary Collectible Statues