sentences:  Cell sneaks up behind #17, being seen by Tenshinhan from the sky who warns #17 moments before he is absorbed and triggers Cell's transforming into his second form.#17 dies when Cell self-destructs in a failed attempt to destroy the Earth, being resurrected with the Dragon Balls after Cell's defeat along with all of his other victims and having his bomb removed by a wish from Krillin.Years later, #17 is killed a second time when Majin Buu destroys the Earth, being revived along with all other good people on Earth and donating his energy to Goku's "Spirit Bomb" to annihilate Majin Buu.