4 episodes match Mannequin

Everyone becomes obsessed with a mannequin that looks exactly like Jonah; Cheyenne considers putting her baby up for adoption; Glenn and Dina get into an argument about parenting. (imdb)

When Ben calls Dean and tells him that Lisa is in trouble, Dean leaves Sam to investigate a case alone and rushes to the rescue. However, he's not prepared for what meets him at the door. (imdb)

A police officer known for his annoying rigidness pushes everyone away, including his dates and his coworkers. His only friend is a police statue.

When it comes to Ghost Sweepers, Reiko Mikami is considered to be a cut above the rest. After receiving an offer to examine a haunting near Jinkotsu Hot Spring, she sets off to put her skills to work. Accompanied by her assistants, the underpaid and perverted high school student Tadao Yokoshima and the friendly teenage ghost Kinu Himuro, GS Mikami details the wacky exploits and adventures of these three as they go about investigating paranormal activities.