A mysterious alien begins attacking a brutally killing MAC members. Leo must stop it.

Leo is defeated, and Dan trains Gen even harder. Unfortunately, the monster won't wait.

Gen enjoys a day off at an amusement park with his friends. However, a space monster called Guiro has taken up residence there...

A kaiju arrives and Gen recognizes it as an old friend. Can he defeat it?

While Leo is engaged in battle with 2 monster brothers, his long-lost brother, Astra arrives to assist him.

A mischievous alien falls out of his bed onto Earth where he befriends a group of kids. He shows off his monster, Renbolar, only for one of the kids to pull off his tail that was controlling it, causing it go on a rampage. Can Ultraman Leo stop it until it's master's tail grows back?

A beast under the guise of a Flying Saucer travels from a distant planet to attack Earth. MAC doesn't detect it, and gets all but destroyed.

Tooru and some friends try to attract a flying saucer. Unwittingly, they draw the attention of Black Dome, which had been summoned to earth by Commander Black.