
The Happy Days 2nd Anniversary Special
It's Fonzie's birthday, and past clips are shown as the gang reminisce.
Mon, 12 Jan 1976

The Third Anniversary Show
The gang organizes a surprise party for Howard and Marion's 20th anniversary as clips from previous episodes are shown.
Fri, 4 Feb 1977

4th Anniversary Special
Lori Beth has to write a term paper on the typical, middle-class family, so she interviews each Cunningham family member as well as their friends as clips from past episodes are shown. Fonzie says he'll tell Lori Beth something nobody knows about the Cunninghams.
Thu, 23 Mar 1978

Happy Days 20th Anniversary Special
Celebrate the 20th Anniversary of Happy Days, one of America's favorite TV shows, with members of the original cast. Includes personal recollections and film clips. Stars featured: Ron Howard, Henry Winkler, Tom Bosley, Marion Ross, Anson Williams, Danny Most, Noriuki "Pat" Morita and Scott Baio.

Happy Days 30th Anniversary Special
In this two-hour reunion special, various clips are shown from past episodes, and cast members recall memories from their time on the show. Also included are highlights of a reunion softball game played by members of the cast as well as a cast reunion at Arnold's Drive-In.
Thu, 3 Feb 2005