Happy Anniversary is the 17th episode of the fan fiction series, The Adventures of Amy and Tiff, which was released on October 18, 2011.
- The Gold Diner is a parody of the restaurant Silver Diner.
- This is the first time Vanilla is addressed a different name (Miss Rabbit).
- The 17th episode of Kirby: Right Back at Ya!, The Thing About the Ring, is also an episode where Lady Like and Sir Ebrum celebrate their wedding anniversary.
- Number of Sonic characters: 8
- Number of Kirby characters: 6