If you are talking about the turtle from Dragon Ball, (when Goku is a kid) it happens around Episode 5, if I'm right. If you're talking about "Turles," not "Turtle" or "turtles," in the Dragon Ball Z movie "The Tree of Might." He does not appear in the main series.
Goku never meets Bardock.
131
in dragonball episode 6 or 7
Season 4
cell saga...meet me in the ring episode 153.
Goku never meets Bardock.
131
in dragonball episode 6 or 7
Goku and Goku Jr. meet in the DragonBall GT movie, "A Hero's Legacy."
Season 4
Ep. 7
The first episode
cell saga...meet me in the ring episode 153.
137 dragon ball prelimanary peril
episode 8 of Dragon Ball
Goku arrives in West City in Episode 5 of "Dragon Ball." In this episode, titled "The Legend of Goku," he travels there to meet Bulma and learn more about the Dragon Balls. His arrival marks a significant moment in the series as it introduces key characters and sets the stage for the adventures to come.
goku met krillin in the original dragon ball series where they went to train under master roshi krillin hated goku, but after a while they became best friends and in case u are wondering his best friend is krillin.