Tenchi Masaki is an ordinary guy who accidentally releases a demon trapped in a forbidden cave. This "demon" has been imprisoned for hundreds of years, and now she wants revenge! Looks like Tenchi's in trouble!

Things get even crazier for Tenchi when a space princess take him and Ryoko captive! Looks like the poor guy will need a little help if he wants to return to Earth!

Ryoko finds a mysterious egg that leads to more space hijinks! Meanwhile, Tenchi and his grandfather work together to hone their sword fighting skills!

The arrival of a bumbling Galaxy Police officer leads to outrageous adventures, and Tenchi's vacation to the hot springs is sure to prompt an outbreak of nosebleeds!

After what happened to Tenchi, the girls are out for vengeance! Back on Earth, Sasami summons a battleship and Mihoshi sets and ancient genius free!