Those who actively participated in the special are credited; those only in clips or the softball game are not.
Donny Most is credited as "Don Most."
Randolph Roberts is credited as "Randy Roberts."
This special was rerun by ABC on February 12 and finished 81st that week with an average of 5.663 million viewers and a 6 share.
The initial run of this show finished eighth for the week of January 31 - February 6, right behind Super Bowl XXXIX. It had a 12.5 rating, a 17 share, and an average of 19.919 million viewers.
This special was taped on September 11, 2004.
This is the first mention of the Happy Days softball team in a reunion special.
This special was made to commemorate the show's 30th anniversary; however, Happy Days premiered in 1974 and the special was aired in 2005, a 31-year difference.
The date of the "second pilot," "All The Way," is given as January 14, 1975. It actually aired January 15, 1974.
The date of the episode featuring the first appearance of Mork, "My Favorite Orkan," is given as February 11, 1975. It actually aired over three years later, on February 28, 1978.