When They Went To Super Saiyan And Beyond
When they went SSJ     Vegeta:     - SSJ level 1: Training for when the androids arrive     - SSJ level 2: During the cell saga before his big fight with cell     - SSJ level 3: Never went     - SSJ level 4: Bulma builds him a brute ray in Dragonball GT which allows     - him to go ssj4     Goku:     - SSJ level 1: On Planet Namek after freiza kills krillin     - SSJ level 2: While training in the after life at the kaio's place     - SSJ level 3: While training in the after life at the kaio's place     - SSJ level 4: In DragonballGT when he sees pan cry and becomes     - enraged     Gohan:     - SSJ level 1: While training in the room of spirit and time during the cell     - saga     - SSJ level 2: After Cell killed Android 16 he is consumed with rage at all     - the times he has never been able to help and now his anger is released     - SSJ level 3: never     - SSJ level 4: never     Goten:     - SSJ level 1: While training with Gohan in the beginning of the Buu saga     - SSJ level 2: Never     - SSJ level 3: Never     - SSJ level 4: Never     Mirai (furture) Trunks:     - SSJ level 1: After Gohan was killed by Androids 17 and 18 in the     - Trunks Special     - SSJ level 2: Never     - SSJ level 3: Never     - SSJ level 4: Never     Chibi Trunks:     - SSJ level 1: While training with Vegeta at the beginning of the Buu saga     - SSJ level 2: Never     - SSJ level 3: Never     - SSJ level 4: Never     Gotenks:     - SSJ level 1: Naturally turns SSJ at will     - SSJ level 2: While training for the battle with buu     - SSJ level 3: When they are fighting buu in the room of spirit and time,     - he tries to impress Piccolo     - SSJ level 4: Never