Doragon bôru Z: Atsumare! Gokû Wârudo

[the Z-Fighters go back in time]

Krillin:
Wow, this is where Goku and I trained under Master Roshi! Isn't that right, Goku?... Huh? Where's Goku? [Goku pets his younger self]

Son Goku:
What a good, good boy... [Trunks tackles Goku and pulls him away]

Trunks:
Goku, don't do that! Didn't I explain it to you?

Son Goku:
Sorry, sorry... [young Goku looks around, confused]

Son Goku:
That guy looked familiar, where have I seen him before...?