Season 1
2009 · 13 episodes · 10h 50m in all · 9.9/10
Young Kenshi Masaki was taken from his home planet, transported to a distant galaxy, and captured by a gorgeous princess! This royal beauty claims Kenshi as her personal servant—and lends him out to all the lecherous ladies at her prestigious boarding school. When Kenshi doesn’t have his hands full with a curvaceous coed, he can be found training for a looming intergalactic mecha battle.

Episodes

1. The Black and White Sacred Mechanoids
22 May 2009 · 50 min · 10.0/10
Lashara has just been crowned the Princess-King of the Shtrayu Empire and people are already out to get her. The assassins pilot unique Sacred Mechanoids, making it impossible to identify them. Can Lashara figure out who is after her?

2. To the Holy Land
24 Jun 2009 · 50 min · 10.0/10
Lashara brings Kenshi to the Holy Land as her attendant. He is constantly puzzled by the ways of this world. He asks people what they think of the customs regarding "marriage" only to hear some surprising responses.

3. He Who Must Work...
24 Jul 2009 · 50 min · 10.0/10
Lashara tells Kenshi that he must earn money by working for the academy. He falls into a boiling pot of trouble when the upperclassmen decide he needs to work as one of the people who washes their backs before they bathe..

4. Pendant
21 Aug 2009 · 50 min · 10.0/10
Lashara and Chiaia learn some about Kenshi's bizarre life on his home planet. When the Headmistress hears that Kenshi should still be in school, she makes him enroll in the academy. Unfortunately, not everyone is happy to have a new guy in school.

5. To Be Chased and Pursued
26 Sept 2009 · 50 min · 10.0/10
If Kenshi thought he was too popular with the ladies before, he's in for a whole new world of surprises when he gets appointed a position in the Student Council. Now every girl on campus seems to want him for herself.

6. Vacation
21 Oct 2009 · 50 min · 10.0/10
It's summer vacation and Queen Flora of Havoniwa invites Lashara and all of her friends to stay at a Havoniwan retreat. Unfortunately, things can never be just fun and games--a group of bandits have their eyes set on the resort they will be staying at.

7. Competitive Sports Tournament
27 Nov 2009 · 50 min · 10.0/10
The Student Council decides to hold a competitive sports tournament. Lashara becomes the official bookmaker, but her plans to get rich quick are dampened when everyone starts placing their bets on Kenshi. Will Kenshi live to make it to the finish line?

8. Invasion
23 Dec 2009 · 50 min · 10.0/10
Dagmyer and Babalun initiate a surprise attack on the Holy Land. Not only must Lashara must help evacuate the students and faculty, but she must also try to stop the assault. Failure to do so could land her in hot water as the Princess-King of Shtrayu.

9. Expectations
27 Jan 2010 · 50 min · 10.0/10
Dagmyer devises a plot that will let him not only kill Kenshi, but also steal Lashara's ship. Now Lashara and her friends must foil Dagmyer's plans. As if that weren't enough, they must also come up with a way to win over the warrior-like King Shurifon.

10. Home
24 Feb 2010 · 50 min · 10.0/10
It has been made clear that Kenshi is the only one capable of fighting Gaia. Whoever owns him will possess the only key to defeating Babalun. Although this issue has been brushed aside in the past, it must now be addressed in earnest.

11. Barrier Workshop
26 Mar 2010 · 50 min · 10.0/10
Although the journey to the Barrier Workshop has been a long and hard one, Kenshi and his crew manage to make it there in one piece. Chiaia's father, Naua, tells Lashara and her friends the dark past of an ancient civilization and the Sacred Mechalord.

12. Fruition
21 Apr 2010 · 50 min · 9.0/10
Kenshi's new Sacred Mechanoid is impressive, but he needs a mighty weapon to go with it. Kenshi must make his own legend-worthy sword. As if that weren't bad enough, he has to fend off Lan and her group of bandit friends while he's making it.

13. Gaia
26 May 2010 · 50 min · 10.0/10
It is time for the final showdown, but first Kenshi must somehow make it to the Holy Land. Lan has been placed in charge of the main gate, which is actually a massive fortress. Can Kenshi and his friends overcome impossible odds?
Tenchi Muyo! War on Geminar Season 1: quick answers
How many episodes are in Tenchi Muyo! War on Geminar Season 1?
Season 1 of Tenchi Muyo! War on Geminar has 13 episodes, about 11 hours in total.
When did Tenchi Muyo! War on Geminar Season 1 come out?
Season 1 premiered on 22 May 2009.