Ultraman Dyna is a Japanese tokusatsu TV show which aired from 5 September 1997 until 28 August 1998. It is a direct sequel to the previous Ultraman series, Ultraman Tiga and the 13th entry to the Ultra Series.

Ultraman Tiga is a Japanese tokusatsu TV drama and the twelfth show in the Ultra Series. Produced by Tsuburaya Productions, Ultraman Tiga had aired at 6:00 pm and aired between September 7, 1996, to August 30, 1997, with a total of 52 episodes with five movies.