It's the Movie involving the first Super Sentai Goranger with it's sequel rangers J.A.K.Q. Dengekitai. If you like to watch the first and second sentai be in a movie together.
It's the first sequel of the series from Super Sentai and the 2nd Season. Himitsu Sentai Goranger being the first prequel and first season of the Super Sentai Series. If you would like to watch the super sentai series chronologically.