Dragon Ball Z Episode 107: Goku`s Alive!!
Episode 107 of 291 of Dragon Ball Z, aired September 11, 1991, 25 minutes. Available with English subtitles and dub where released.
Episode summary
As it looks like Goku and Krillin can't come back, Vegeta has an idea: wish them back to the Check-in Station, then wish them back to life. After 130 days, Krillin and Yamcha are back to life, but Porunga says Goku is alive, but where is he?