Cell on the Verge of Defeat! Krillin, Destroy Android 18! (「セル怒涛の悔しがり！クリリン、１８号を破壊せよ」, Seru Dotō no Kuyashigari! Kuririn, Jūhachi Gō o Hakai se yo; lit. "The Surging Resentment of Cell! Krillin, Destroy #18") is the seventy-eighth episode of Dragon Ball Z Kai. Its Japanese air date was October 24, 2010. Its American air date was August 3, 2011.
Goku continues to train Gohan, who is still trying to achieve the Super Saiyan transformation. While having a dream of achieving Super Saiyan, Gohan wakes up to find Goku training, Gohan begs Goku to let him continue training
Later Goku and Gohan gets in a Bath in the Hyperbolic Chamber. Meanwhile, Vegeta effortlessly pushes Cell around and beats him up. Cell curses at how if he was able to absorb Android 18 then he will become his perfect form and be able to defeat Vegeta easily even when he is in his Super Saiyan Second Grade form. Cell persuades Vegeta into letting him absorb Android 18 because Vegeta would like to fight Cell in his perfect form as Saiyans love fighting. Not far away, Krillin decides not to destroy Android 18 with the emergency shutdown controller because he feels sorry for her, as she used to be a human and also because she kissed him.