Gosei Sentai Dairanger (1993)

It's the 16th sequel of the series from Super Sentai right after Kyouryuu Sentai Zyuranger which is the 15th sequel. If you would like to watch the super sentai series chronologically.

Both have dark themes
Both are about martial arts
Both have red ranger dad that turned to the dark side
Both have ancient feud clans
Both have Chinese aesthetic

It's the 17th sequel of the series from Super Sentai right after Gosei Sentai Dairanger which is the 16th sequel. If you would like to watch the super sentai series chronologically.

Both Dairanger and Gekiranger are heavily Chinese-inspired seasons of Super Sentai that are also martial arts heavy. Dairanger even has an ambiguously "Chinese" Pink Ranger and Gekiranger's movie is set in China.

They each also only have a single girl on the team (although Gekiranger does at least have other females in support roles) and both have an episode that make use of an actor's real life twin.

It's the very first Super Sentai series what made many of it's successors possible. If you want to watch the original first season of the Super Sentai series.

Both series have similar themes of spirituality as a source of power. Maskman tends to be regarded as the prototype for Dairanger due to it's similarities in regards to themes and story beats.

It's the movie to the show, the cast come back to fight defeated monsters
Dairanger fans will enjoy this