- Be well rested before watching the movie.
- Don't forget to wear a mask.
- Don't forget to wash your hands.
In addition, an updated trailer was also released, which states the new release date, as well as some extra footage not seen in previous trailers.
Using the New Generation Eye, Hiroyuki transforms into Ultraman Reiga, the Ultraman that combines the power of the 11 New Generation Heroes, namely: Ginga, Victory, X, Orb, Geed, Rosso, Blu, Grigio, Taiga, Titus, and Fuma. To summon this item, Hiroyuki scans the New Generation-let in his Taiga Spark.
As previously reported, the cast from the TV series will reprise their roles and will also feature the return of past New Generation Heroes will make an appearance in the film with their respective actors reprising said roles. Reprising their roles are: Takuya Negishi (Hikaru Raidou/Ultraman Ginga), Kiyotaka Uji (Shou/Ultraman Victory), Kensuke Takahashi (Daichi Ozora/Ultraman X), Hideo Ishiguro (Gai Kurenai/Ultraman Orb), Tatsuomi Hamada (Riku Asakura/Ultraman Geed), Yuya Hirata (Katsumi Minato/Ultraman Rosso), and Ryosuke Koike (Isami Minato/Ultraman Blu).
Ultraman Taiga series director Ryuichi Ichino returns to direct the film with Sotaro Hayashi (Travelers: Dimension Police, Ultraman Taiga) and Takao Nakano (Ultraman Orb) writing the film's scripts. Lastly, the film's theme song is "Dramatic" by Daisuke Ono.