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| Series | Sonic Boom (TV series, 2014–2017) |
| Season | Season 1, episode 7 (S01E07) |
| Episode no. | 7 of 104 |
| US premiere | 29 November 2014 · Cartoon Network |
| France | 10 December 2014 · Un stagiaire pour l’apocalypse |
| Written by | Story by Mark Banker and Alan Denton & Greg Hahn; teleplay by Alan Denton & Greg Hahn |
| Storyboard | Jean-Charles Andre |
| Directed by | Natalys Raut-Sieuzac |
| US viewers | 0.89 million (Nielsen, premiere) |
| Previous | Fortress of Squalitude (S01E06) |
| Next | Eggheads (S01E08) |
Double Doomsday is episode 7 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 29 November 2014 on Cartoon Network.
Synopsis

Dave, the Meh Burger cashier, is Eggman’s biggest fan, so when the doctor offers him an unpaid internship, he treats bathroom duty as an honour. Orbot and Cubot are less thrilled to have an overachiever around, and with good reason: Before long, Cubot has been taken apart.
Promoted to protégé, Dave tires of waiting for real villainy, locks himself in the lab and finishes his boss’s Doomsday Device, a machine that can erase the planet. Eggman, refusing to be upstaged by an intern, builds a rival one. Neither has an off switch. Tails, fresh from putting Cubot back together, has a plan: match the two devices exactly and their blasts should cancel out, so he quietly helps Dave while Sonic runs ridiculous errands for Eggman.
It almost works. One battery Sonic forgot to put in leaves the machines slightly unequal, and a black hole opens over the lair. Armed with Tails’ new Reverse Polarizer, Sonic must race right up to the edge to turn its pull inside out without being swallowed. The intern is promptly fired, and heads back to the burger counter swearing he will get even.

Trivia
- Dave the Intern returns as a full-blown villain in “Next Top Villain”.
- On DVD: Universal’s UK volume The Sidekick (8 Feb 2016); in the US, NCircle’s Season One, Volume One (2019), Here Comes the Boom! (2019) and The Complete Season 1 (2021).
- French title: Un stagiaire pour l’apocalypse. The episode aired in France on 10 December 2014.
- About 0.89 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.

