Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger (2018)

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.

It's the 41th sequel of the series from Super Sentai right after Uchuu Sentai Kyuranger which is the 40th sequel. If you would like to watch the super sentai series chronologically.

A Japanese tokusatsu television miniseries (crossover special) based on the Toei's long-running Super Sentai metaseries featuring cast members from past installments and acts as a prelude to the events of Kishiryu Sentai Ryusoulger. Following the finale of Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger

It's the 42th sequel of the series from Super Sentai right after Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger which is the 41th sequel. If you would like to watch the super sentai series chronologically.

Both have a darker overall plot but are very episodic with a lot of the episode plots being silly one offs. Lupat is sillier while black has a darker ending

- Both are about a group of phantom thieves and a group of police officers that also know each other casually.
- Both have protagonists forced into their profession in order to be with their loved ones.
- Both contain a star-crossed lovers plot, which is the primary story of Lupin no Musume but only a sub-plot in Lupinranger VS Patranger.

Both are Police themed series
Both are fighting against a crime organization
Both have a mix of both mature and silly tone
Police rangers are red, green, and pink

detective/police plotline, one of the main villains being related to ice, the collectables being part of a museum, the strong bromance between the leads:- lupat is the perfect sentai counterpart to kamen rider w.