The 23rd World Martial Arts Tournament (Tenkaichi Budokai).
Chi-Chi explains that Goku promised to marry her years ago (during the Emperor Pilaf Saga ) when they were children. Goku, who had misunderstood what marriage was at the time, admits he thought "marriage" was something to eat. Dragon Ball Episode 137
Returns as a formidable martial artist, having trained extensively to confront Goku about his promise. The 23rd World Martial Arts Tournament (Tenkaichi Budokai)
To honor his word, Goku proposes to her right there in the middle of the ring, which she happily accepts. Key Character Developments Returns as a formidable martial artist, having trained
Demonstrates his grown-up strength and his literal-minded sense of honor.
Episode Overview Title: "Goku's Marriage" (often translated as "Anonymous Proposal") Original Air Date: November 23, 1988 Arc: Piccolo Jr. Saga
The episode focuses on the quarterfinal match between Goku and a mysterious "Anonymous" female fighter. Throughout the match, the woman is visibly angry with Goku for not remembering her.