The Galaxy Police headquarters vanishes! One word was left..."Kain"
The merciless criminal Kain has escaped from sub-space where he had been captured! Kain, who was deprived of his freedom by the Jurai royal family and Galaxy Police, demolished the Galaxy Police headquarters and attackted the Jurai King..His next target is Earth!
Tenchi is dissolving..back to 1970!
Around the same time, on earth, Tenchi's house has suddenly disappeared. What's even worse is that Tenchi's body is disappering too! Something must have happened to Achika, Tenchi's mother, in the past! So the gang must leave for a journey to the year 1970!

On a hot summer day, a fetching young girl named Mayuka appears to Tenchi, calling him Daddy! Jealousy and envy follow as Ryoko and Ayeka battle for Tenchi's attention with an apparently new rival. Who could the mother be?!? Hiding in the background, Yuzuha, the Demoness of Darkness, is about to get her revenge against Yosho for a grudge held for over 700 years! She begins her plan by using Mayuka to steal Tenchi away to the Dimension of Darkness. So it begins again, Tenchi must fight to save his friends and Mayuka, daughter or not

The Original Tenchi series is finally making it’s way to DVD! Watch how it all began. Meet Ryoko, and Ayeka as they come head to head over who will get to be with Tenchi. Think you've already seen Tenchi?