You're Under Arrest! (1996) : 3x4

While on routine traffic duty, Aoi and Yoriko spot a girl looking for something in the bushes, but when they are on the way back, they realize they have a big iguana in the back seat! The girl happens to be the owner of the lizard; Miyuki and Natsumi escort the girl back to her apartment which is full of reptiles. One of them, named Shou-kun, is a large snake which takes a liking to Miyuki, and hijinks arise when the duo returns to Bokuto, and the girl finds out Shou-kun has gone missing!