SS-While training in the Hyperbolic Time Chamber with Goku.(Perfect Cell Saga) SS2-When witnessing 16 getting killed by Cell.(Cell Games Saga) Mystic-When being trained by Elder Kai.(Fusion Saga)
SS-When Goten and Trunks fuse as Super Saiyans(Majin Buu Saga) SS3-When training in the Hyperbolic Time Chamber.(Fusion Saga)
SS-When being trained by Chi Chi.(Before Great Saiyaman Saga) SS3-When training in the Hyperbolic Time Chamber as Gotenks.(Fusion Saga)
SS-When training with Vegeta in a gravity room.(Before Great Saiyaman Saga) SS3-When training in the Hyperbolic Time Chamber as Gotenks.(Fusion Saga)
SS-After finding Future Gohan dead.(History of Trunks) US-While training in the Hyperbolic Time Chamber with Vegeta.(Imperfect Cell Saga-Perfect Cell Saga)
SS-While trying to save his ship on another planet.(Trunks Saga) SS2-When fighting Goku as Majin Vegeta.(Babidi Saga-Majin Buu Saga) SS4-He makes Bulma create a Brute Ray, which makes him transform.(GT)
