Kamen Rider Decade: All Riders vs. Dai-Shocker

Entertaining big families that come close to heart.
The way both dramas deal with family-only dynamics is peaceful.
Full of comedy.
Heart-filling romances.
Double in-law couples.

Both movies commemorate the Kamen Rider franchise, featuring a crossover between various Kamen Riders from Showa and Heisei Era.

Hidari Shotaro is a detective working in his beloved town Futo. But something is threatening the peace in the town - Gaia's memories, which turn people into monsters. Shotaro has a secret partner, and together they protect Futo.