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| Series | Sonic Boom (TV series, 2014–2017) |
| Season | Season 1, episode 13 (S01E13) |
| Episode no. | 13 of 104 |
| US premiere | 14 February 2015 · Cartoon Network |
| France | 14 January 2015 · Knuckles de la poisse |
| Written by | Dave Polsky |
| Storyboard | Patrick Schwerdtle |
| Directed by | Natalys Raut-Sieuzac |
| US viewers | 1.11 million (Nielsen, premiere) |
| Previous | Circus of Plunders (S01E12) |
| Next | The Meteor (S01E14) |
Unlucky Knuckles is episode 13 of Season 1 of Sonic Boom, the CGI comedy series made by OuiDo! Productions with Sega of America. It premiered in the United States on 14 February 2015 on Cartoon Network.
Synopsis

Knuckles has lost to Sonic at Gopher Ball all week, and he refuses to believe skill has anything to do with it. Sticks has a theory: some cosmic scale has tipped against him, and the only fix is to use up his bad luck as quickly as he can.
So Knuckles goes looking for misfortune. He drops boulders on himself, leaps into canyons, fires himself into a beehive and strolls through a meteor shower, and a fridge lands on him mid-gloat at Sonic’s shack. His friends are horrified. Eggman, meanwhile, notices his own luck is running hot and launches a full invasion of the village.
When Knuckles’ arrival brings debris down on the team and lets Eggman slip away, Sonic tries something sneaky: he brands his friend a jinx and goads him into defecting. It works: the Mega goes haywire and blows itself to bits the moment its new ally shows up. The doctor flees, and a bewildered Knuckles is told he was on an undercover mission the whole time. Where did the jinx go? Ask Tails, who gets flattened by falling debris on the way home.

Trivia
- On DVD: Universal’s UK volume The Sidekick (8 Feb 2016); in the US, NCircle’s Season One, Volume One (2019) and The Complete Season 1 (2021).
- French title: Knuckles de la poisse. The episode aired in France on 14 January 2015, before its US premiere.
- About 1.11 million US viewers watched the premiere broadcast (Nielsen figures as listed by Wikipedia).
Watch the Episode
This episode does not have an official full upload on YouTube at the time of writing. Season 1 is on DVD from NCircle in the US (The Complete Season 1, 2021) and Universal in the UK (2016), and has been available on services including Hulu, Netflix and Tubi; see the series page for details.
Part of our Sonic Boom Season 1 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.

