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| Series | Sonic Boom (TV series, 2014–2017) |
| Season | Season 2, episode 5 (S02E05) |
| Episode no. | 57 of 104 |
| US premiere | 10 December 2016 · Boomerang |
| France | 8 April 2017 · Mon plus grand fan |
| Written by | Doug Lieblich |
| Storyboard | Hugues Malety-Fischer & Clemence Liberge |
| Directed by | Natalys Raut-Sieuzac |
| US viewers | 0.15 million (Nielsen, premiere) |
| Previous | Alone Again, Unnaturally (S02E04) |
| Next | Anything You Can Do, I Can Do Worse-er (S02E06) |
The Biggest Fan is episode 5 of Season 2 of Sonic Boom, the CGI comedy series made by Technicolor Animation Productions with Sega of America. It premiered in the United States on 10 December 2016 on Boomerang.
Synopsis

Every hero wants fans, until one moves in. Sonic meets Mark the Tapir, his self-styled biggest fan, at Career Day, and can’t shake him. He drags his table over at Meh Burger, matches Sonic’s order down to the soda, and turns up at the post office offering to be his personal assistant. Amy smells trouble; Sonic sees a nice guy who will do the boring jobs.
For a while it’s a dream: outfits picked out, battle tips against Charlie, massages. Then Sonic offers his helper an afternoon of freedom. Mark, who wants every day with his hero, steers his scooter into a boulder, and Sonic wakes up in a body cast in a cabin plastered with Sonic photos, being force-fed pie and asked to act out fan fiction.
When Tails, Amy and Knuckles come looking, a log trap knocks them out and they wake up in casts too. Their breakout is a mess of tumbling plaster until Sonic’s cast cracks open and reveals the truth: nobody was ever hurt. The team breaks free, Sonic tapes Mark up and fires him, and when Beth the Shrew later asks for an autograph, he runs off screaming.

Trivia
- The body cast and the remote cabin nod to Stephen King’s Misery, the story of a writer held captive by his “number one fan”.
- On DVD in the US: NCircle’s Season Two, Volume One (May 2021), The Complete Season 2 (2021) and The Complete Series Blu-ray (2022).
- French title: Mon plus grand fan. The episode aired in France on 8 April 2017.
- About 0.15 million US viewers watched the premiere broadcast (Nielsen figures as listed by Wikipedia).
Watch the Episode
NCircle Entertainment, the show’s US home-video label, has not uploaded this episode on its own to YouTube at the time of writing, though its official channel carries two-episode compilations and Season 2 marathons. Season 2 is on DVD from NCircle (The Complete Season 2, 2021) and has been on Hulu and Netflix; see the series page for details.
Part of our Sonic Boom Season 2 guide. See the series page for the cast, the redesigns, the games and the comics.
Sources: air dates, writers and storyboard artists from Luke’s original Sonic Scene episode list, cross-checked with Wikipedia, Sonic Retro (Wayback copy) and Sonic Wiki Zone; synopsis written for Sonic Scene from the episode summaries on those sites; title card and screenshots via Sonic Wiki Zone, copied to our media library.

