It's been 2 months since black universe was defeated.
Goku, Steven and Jack have been training. One day Goku sensed Vegeta sparring, catching his interest Goku teleports over to vegeta. when vegeta notices this he calls him over and Lincoln meets Goku "holy crap I'm meeting Goku" say's Lincoln in a excited voice
"This is your training student?" says Goku with a grin, "you should have told me, I could have helped."