Dragon Ball Z Movie 07: Kyokugen Battle!! Sandai Super Saiyajin
English name: Dragon Ball Z: Super Android 13!
Genres: Action, Adventure, Comedy, Fantasy, Sci-Fi
Type: Movie, Episodes: 1
Aired: Jul 11, 1992
Studio: Toei Animation
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
Dr. Gero's Androids #13, #14, and #15 are awakened by the laboratory computers and immediately head to the mall where Goku is shopping. After Goku, Trunks, and Vegeta defeat #14 and #15, #13 absorbs their inner computers and becomes a super being greater than the original three separately were. Now it is up to Goku to stop him. 

(Source: ANN)