- Ascended Fanon: In 2017, a fan made their own remix of the theme song in a chiptune style. In 2018, the fan remix became part of an official commercial.
- Blooper: In Season 2 episode 21, the text in the end credits is incorrectly timed, causing it to appear over the various clips that play in the credits several times.
- Channel Hop: This show has aired on a handful of channels throughout its run, such as CCTV-14 and Hunan TV's Aniworld, among others.
- Dueling Dubs: It has a couple different English dubs with different casts. The most well-known dub is the dub of the first two seasons by Lookus, though the other dubs are considered more accurate to the original.
- Fan Nickname: Fans sometimes give Smart S. the nickname Smartass, due to it being a pun on his original name that fits with his character.
- Hey, It's That Sound!: Several sound effects used in Pleasant Goat and Big Big Wolf are also used here.
- The Other Darrin: The second season of the Lookus English dub switches some of the voice actors for unexplained reasons.
- The Wiki Rule: Now has one here that desperately needs expansion.
Trivia / Happy Heroes