Shin Chan and the California Stimps/Episode 45

From Bubblegum Wiki

Lonely Man Josh-chan: Josh-chan decides to start moving back to his home town Hill Valley, but on his last day in Japan, he gets more upset as his pen-pal Robert talks with Miss Katzie, causing him to run away from the neighborhood. Meanwhile Shin organizes a "Come Back Home" party which results in Katzie finding Josh-chan. But Josh has decided to stay when he and Katzie finally gets back together and settled their apologies.