The Showdown for Tomorrow (明日なき対決 Asu Naki Taiketsu) is the twenty-fifth episode of Ultraman Gaia.
- Ultraman Gaia Volume 7 features episodes 25-28.
- This is the first episode that truly does not have any appearances of a monster.
- In the Cantonese dub, the ending theme was changed to Ultraman Gaia's theme song, rather than using Lovin' You, Lovin Me. In the Malay dub, Beat on Dream on is used, but the background's sounds are omitted.
- This episode features the second fight between Gaia and Agul, and once again their fight ends in a draw.