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| Series | Sonic Boom (TV series, 2014–2017) |
| Season | Season 1, episode 28 (S01E28) |
| Episode no. | 28 of 104 |
| US premiere | 14 July 2015 · Cartoon Network |
| France | 8 April 2015 · Bleu de jalousie |
| Written by | Doug Lieblich |
| Storyboard | Jordi Valbuena |
| Directed by | Natalys Raut-Sieuzac |
| US viewers | 1.24 million (Nielsen, premiere) |
| Previous | Chez Amy (S01E27) |
| Next | Curse of the Cross Eyed Moose (S01E29) |
Blue with Envy is episode 28 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 July 2015 on Cartoon Network.
Synopsis

Every hero dreads the day a cooler one shows up. For Sonic it is Swifty, a skateboarding shrew who zooms into the village, beats him to a rescue and has Amy and Sticks swooning and Tails hanging around his workshop. Sonic, meanwhile, is left picking glue off his shoes and grumbling.
His jealousy boils over into a challenge, a race through the streets, and whoever loses has to leave for good. His friends see through Swifty and send him packing, but the villagers are firmly on the newcomer’s side, and however fast Sonic goes, Swifty is somehow always ahead. Mayor Fink banishes the sore loser, and two police officers make sure he stays out.
The secret, as Eggman proudly reveals, is that there are lots of Swiftys, all robots, and the whole thing was a plot to get Sonic out of the way while he builds his dream: a theme park, evil by design, with endless queues, pricey souvenirs and food well past its best. Mayor Fink wants a proper council vote before lifting the ban, so Amy hurries him along, and once Sonic is back inside the boundary the Swiftys don’t last a second.

Trivia
- The English version was shown in the UK on 9 June 2015, a month before its US premiere, according to Wikipedia’s episode list.
- On DVD: Universal’s UK volume Mayor Knuckles (25 Jul 2016); in the US, NCircle’s Season One, Volume One (2019), Go Team Sonic! (2019) and The Complete Season 1 (2021).
- French title: Bleu de jalousie. The episode aired in France on 8 April 2015, before its US premiere.
- About 1.24 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.

