Here you will learn how each Saiyan achieved his level of SSJ Name: Goku SSJ: In the Freeza Saga, Freeza kills Krillin which angers Goku an then he goes SSJ for the first time USSJ: He reached this level in the room of spirit and time during the Cell Saga SSJ2: When he is training in the afterlife. SSJ3: When he is training in the afterlife. SSJ4: In DBGT in the Bebi Saga, Goku gets his tail pulled out; he turns Oozaru then Golden Oozaru form; when he sees his Pan crying, it triggers him to go SSJ4 Name: Vegeta SSJ: When he was training in the Gravity Ship he became very strong but not strong enough to become SSJ and then at one moment he cares about nothing and goes SSJ . SSJ2: He reaches this stage while being Majin Vegeta. SSJ3: Didn't make it SSJ4: Bulma made a Brute Ray which made Vegeta go SSJ4 Name: Future Trunks SSJ1: When Gohan dies in the future Trunks gets mad and goes SSJ USSJ: While training in the room of spirit and time SSJ2: Never did SSJ3: Never did SSJ4: Never did Name: Gohan SSJ1: When he was training in the Spirit Room, he got enraged that he couldn't help his friends in the past because he did not have enough strength which triggered him to go Super Saiyan. SSJ2: When Cell killed Android #16 his anger was pulled to the limit SSJ3: Never Did. SSJ4: Never Did. Mystic Power:When he unleashed his full power inside.If he would have turned ssj or ssj2 his power increase could destroy the whole universe. Name: Chibi-Trunks SSJ1: While training, he did not need extreme rage to trigger his SSJ form. SSJ2: Never Did SSJ3: When Fused With Goten. SSJ4: Never Did. Name: Goten SSJ1: While training did not need extreme rage to trigger his SSJ form (like Trunks) SSJ2: Never Did. SSJ3: When Fused With Trunks. SSJ4: Never Did