This is the famous 10th Anniversary movie that was released in 1996. Done in GT-style animation, the movie re-told Goku's meeting with his original friends (Bulma, Oolong, Yamcha, Kame-Sen'nin, etc.) and his battle against the Red Ribbon Army.
Source: kanzenshuu.com/newbie/
Aikawa Kin`ya
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In this film, because of complaints from children that Goku is depicted as too much of an eager student, he is instead portrayed as a very naughty modern boy. It then received so many complaints from the PTA about its bad language that it was forced out of the show after all.
Source: Official Site