To save Earth, unlucky Ataru must win a high-stakes game of tag against a beautiful alien. Luckily his friend Shinobu has offered a helping hand (in marriage) as motivation!

Nagisa needs a kiss from Ryunosuke to pass on, which is easier said than done. Later, Mark threatens his class with supplementary lessons if he catches them talking.

With the fate of the Earth on the line again, Lum and Ataru’s last game of tag begins.