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| Series | Sonic Boom (TV series, 2014–2017) |
| Season | Season 2, episode 4 (S02E04) |
| Episode no. | 56 of 104 |
| US premiere | 3 December 2016 · Boomerang |
| France | 8 April 2017 · Étrangement seul |
| Written by | Benoit Grenier |
| Storyboard | Patrick Schwerdtle |
| Directed by | Natalys Raut-Sieuzac |
| US viewers | 0.09 million (Nielsen, premiere) |
| Previous | Nutwork (S02E03) |
| Next | The Biggest Fan (S02E05) |
Alone Again, Unnaturally is episode 4 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 3 December 2016 on Boomerang.
Synopsis

Never ask Tails to make you faster. A slingshot, rocket skates and a moving walkway have all ended in crashes by the time Tails straps Sonic into his Ultrasonic Speed Amplifier, a chest rig powered by “blast processing”. Sonic keeps yelling for more power until he vanishes, waking beside a smashed wall in an empty village.
He is out of phase with the world, stuck on a different plane of existence. Blaming Eggman, Sonic trashes the doctor’s lair, and Eggman, who can’t see him, decides the place is haunted, until his security camera shows the “ghost” is Sonic, leaving the village unguarded. Back home, Knuckles is sure Tails has disintegrated Sonic, but Tails works out what happened and makes faint contact.
Eggman’s Badniks attack as the link drops, so Amy and Sticks fight while Knuckles guards Tails. The way home needs the control panel on Sonic’s side, so Tails straps on a harness and crosses over, feeling queasy. Together they lack the speed until Sonic digs deeper and drags them both back. The team scraps every robot except one terrified Motobug, which bolts with Eggman chasing it, and a still-green Tails walks to Meh Burger while the others run.

Trivia
- 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: Étrangement seul. The episode aired in France on 8 April 2017.
- About 0.09 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.

