Tritek, home of the Tritekians, is a planet only mentioned by name, when Nappa explains that the batch of Saibamen used against the Dragon Team on Earth is the same as the "one[s] that survived that crazy battle on Tritek."
Both Vegeta and Nappa made their debut (Anime: "Gohan's Rage", Manga: "The Needs of the Many") on a weird green planet located about 1 year of their Attack Balls flight speed to Earth. They're seen as the only sapient creatures still alive on the planet, after they killed and ate the natives.
This planet looks like the Earth during the.
Video Game Appearances
Tritek briefly appears in a cutscene in Kakarot during Vegeta and Nappa's discussion about Raditz' death and his mentioning of the "Dragon Balls" and their wish granting powers through his scouter signal to them leading to the two Saiyans to head to Earth to wish for immortality rather than use the balls to wish Raditz back to life as he had hoped, playing out similar to the manga and anime version of this instance.