Utau! Dai Ryugujou Ending for episode 51, the series finale.
Every ending sequence is original to the episodes, focusing in on the characters the final scene. For the final episode they decided to involve the stage hands dismantling the set as the full cast breaks out into dance. Quite a highlight to the finale
Clip taken from Toei Tokusatsu World’s uploads. As of right now the whole series is available to watch (unsubbed). Playlist here