We Need Tenchi
The girls head for Kagato's ship to avenge Tenchi. Meanwhile, on Earth, Sasami senses Tenchi is in trouble and summons Tsunami, her own Juraian battleship, to save him from near-death. Mihoshi accidentally releases a 20,000-year-old scientific genius, Washu, from Kagato's imprisonment, who turns out to be Ryoko's true creator, and Tenchi returns to face Kagato in a battle to the death.
Aired 25/03/1993EP 6 - We Need Tenchi
Tenchi Muyo! Ryo-Ohki
Tenchi Masaki was a normal 17-year-old boy until the day he accidentally releases the space pirate, Ryoko from a cave she was sealed in 700 years ago as the people thought she was a demon. In a series of events, four other alien girls show up at the Masaki household as Tenchi learns much of his heritage he never knew about and deal with five alien girls who each have some sort of romantic interest in him.
(Source: Anime News Network)