When Heather asks Santa to patch up the rift between her mother and grandparents, Fonzie decides to make her wish come true. Meanwhile, K. C.'s parents visit for Christmas, and a rivalry between Howard and his brother reignites.
| Creator | Garry Marshall |
|---|---|
| Actor | Henry Winkler, Tom Bosley, Marion Ross |
| Country | United States of America |
| Production | Miller-Milkis Productions |