THE_FINAL_ODYSSEY
The theatrical movie spin-off to [[Ultraman Tiga (series)|]], released in 2000. 

Picks up two years after the series ended, and seven years before [[Ultraman Dyna (series)|]], [spoiler]hence the cameos of the characters from said series.[/spoiler]

It serves as a epilogue to Tiga, as well as a prequel to Dyna, even though the movie was released two years after both shows ended.
ultraman tiga: the final odyssey