- Banned in China:
- An especially extreme case, as the episode about Chinese President Xi Jinping, especially his legendary hatred of his supposed resemblance to Winnie-the-Pooh, pissed him off so much that he temporarily blocked all of HBO in the country. One has to wonder what his reaction will be to the fact that a Winnie-the-Pooh-looking caricature of him actually made it to the opening credits of the show as of the Season 6 opening.
- Much to John's chagrin, any footage lampooning the proceedings of the British Parliament gets blacked out in the United Kingdom due to a law preventing the media from using footage of the House of Commons/Lords to poke fun of Parliament or its members (said footage is unedited in every other locale). John, in a characteristic act of petty vengeance, tapped Gilbert Gottfried to film himself reading out three-star Yelp reviews from restaurants in Boise, Idaho (or Brexit clauses, or Big Foot erotica) in the place of any segment that would be blacked out in the United Kingdom, and vowed to continue this trend until his home country changed the laws to match the times. Later, in lieu of a short clip of parliamentary footage, in which the result of the meaningful vote gets announced, footage from a very 1983 Chippendales exercise video got edited into a newscast with no context or explanation whatsoever.John Oliver: Yeah. That's what they'll get. They'll be confused by it! And it will be all their fault!
- Beam Me Up, Scotty!: Early on the show's run, some online communities mocked John for using "It's [current year]" to denote something deemed backwards and old-fashioned is still happening now, except for the fact that John never actually used the phrase that way (except as a joke), which is probably why it died down pretty quickly.
- John later calls attention to this phenomenon, specifically misquoted historical figures. He then mentions that he himself has fallen victim to it in a meme in which he compares gun control to air security, admitting it's an interesting thought but that he never said it, but had "seen it so many times I'm genuinely starting to wonder if I did".
- Colbert Bump:
- After pointing out how women's scholarship programs are pretty lackluster if the Miss America Pageant can truthfully state it gives out the most number of women's scholarships and name-dropping the Society of Women Engineers as an alternative, said organization received $25,000 in two days, which the society dubbed "The John Oliver Bounce" in recognition.
- He aims to do this with the Supreme Court by giving people on the Internet the ability to combine their audio recordings with dressed up dogs.
- Time magazine has already dubbed "The John Oliver Effect", for John Oliver's uncanny ability to raise awareness of issues such as net neutrality and civil forfeiture.
- Regarding the show itself, in the episode following one which garnered much media attention.
- He caused a huge flood of interest in the juvenile political satire The Kid Who Ran for President by Dan Gutman, pointing out the eerie parallels to Donald Trump's campaign.
- Descended Creator: John has acknowledged that the people in the background graphics are usually the crew or their acquaintances. The most prominent case is writer Jill Twiss as Janice in Accounting.
- Invoked during his segment on Wells Fargo and their multiple ethics violations, as Wells Fargo had produced an internal ethics video years ago in which one of the show's writers starred. Said writer then stars in a parody of the video, mocking Wells Fargo for producing said anti-fraud video "that, judging by your behavior, none of you assholes watched."
- Real Song Theme Tune: The opening theme is the opening of "Go" by Valley Lodge. In the season 2 finale, the band appeared to play it.
Trivia / Last Week Tonight with John Oliver