In the episode, Isaac's role as leader of the club is questioned, prompting Ted to ask Roy for help.
For his performance in the episode, Brett Goldstein won Outstanding Supporting Actor in a Comedy Series at the 74th Primetime Emmy Awards.
AFC Richmond loses another game, with the club blaming captain Isaac (Kola Bokinni) for his poor leadership.
Rebecca and Keeley also advise Nate on his desire for the restaurant window table, encouraging him to be more assertive in making his request.
Acknowledging that he misses being part of the team, he walks off the show and rushes to the stadium, where the crowd cheers his arrival.
Club gave the episode a "B-" and wrote, "I remain charmed by Ted Lasso's micro-level whimsy, whether it's the Sheffield Wednesday repartee or the notion that Roy Kent once dated Gina Gershon, but what 'Rainbow' reinforced is that extending to macro-level whimsy as this RomCom theme did doesn't work as well.
Between the lack of fallout from Sam's protest, the missed connections on Nate's behavior, and the cutesiness of the whole affair, it's an episode that I liked better the second time I watched it when I wasn't focused as much on all that and could simply take in the show's base-level pleasures.
"[3] Alan Sepinwall of Rolling Stone wrote, "'Rainbow' fumbles a few of this season's ongoing subplots, but it also gets the most important part exactly right.
"[5] Becca Newton of TV Fanatic gave the episode a perfect 5 star rating out of 5 and wrote, "Wow!
"[6] Linda Holmes of NPR wrote, "People have tried a lot of ways to describe how Ted Lasso feels: it's like a warm hug, it's like a comfortable blanket, it's a pandemic balm, it's a feel-good chocolate cake in your belly, whatever.
The site wrote, "As Ted Lasso's cowering kit man-turned-assistant coach Nathan Shelley, Nick Mohammed has spent the last season and a half talking under his breath.