Sgt. Frog Episode 42: War of the Worlds Cup
Episode 42 of 358 of Sgt. Frog, aired January 22, 2005, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Inspired by watching World Cup soccer on TV, Keroro plans on pitting the superior Keronian forces against the best Earth has to offer - on the soccer field. Answering this challenge on the planet's behalf is Paul Japan, a team of top soccer players handpicked by Paul to defend the pride of soccer as a human sport. Tamama makes friends with a boy he sees practicing his soccer moves everyday. He joins the boy in his daily routine, and even teaches him his trademark Jealousy Ball, adapted for soccer into the Jealousy Shoot - which destroys the boy's old soccer ball by accident. Fortunately the vast resources of the Nishizawa Peach Group fix the ball exactly as it was. Eventually, the boy learns to shed his defensive mindset and play better than he ever could, and Tamama has someone he can truly call a friend.