- In Longing, Twilight takes Spike to the weather factory. When he sneaks some Rainbow Mixture, Twilight asks him if he ate it. Spike tries to prove that he didn't by breathing a bit of fire... Which is now rainbow colored...
- In Halcyon Hearts, Shining Armor learns from Celestia that Twilight has finally gotten a boyfriend - a recently-paroled convict named Blaze. The story cuts to Twilight and her boyfriend enjoying their first proper date, and then towards the end of the scene:
Twilight: Do you hear something?Blaze: No, why?Twilight: I could have sworn I heard somepony calling my name just now...it sounded angry.
- When Spitfire meets Rainbow Spectrum for the first time, she loses her professional personality and turns into a wild fangirl, shaking his hoof and talking like a Motor Mouth about how he inspired her and he's so awesome.
- In "The Last Crystal Unicorn", Amethyst, who has a sweet tooth, starts gulping down a milkshake and gets a bad case of brain freeze. Eventually, the brain freeze goes away... He immediately drinks more and gets another brain freeze.