CHIN's

When a murder weapon from a case close to Athena in the early '90s resurfaces, flashbacks to 1989 show how Athena joined the LAPD and became the police officer she is today.

Halloween finds the first responders racing to the rescue at a cemetery, a haunted hayride and a spooky Hollywood parade; Meanwhile Maddie thinks she has received a "ghost" call from a missing hiker; Hen finds herself facing with a life or death situation with the father who abandoned her; Eddie reconnects with his estranged wife.

Kagome is able to pull out the Tetsusaiga. Sesshomaru tries to kill her, and Inuyasha is angered and fights to protect Kagome. His will to protect a human changes the Tetsusaiga into its true form, a fang sword.

Just as Eve and Maze's wedding day arrives, Eve's ex, Adam — yes, that Adam — shows up hoping to reconcile. Later, Ella delivers some distressing news.

As a shocking side effect of his romance with Chloe throws Lucifer for a loop, the new couple pursues a murderer with a most unusual M.O.

Donna keeps her promise to accompany Eric to the Pricemart Ball as a friend, but she gets jealous when she sees Eric with another girl. Fez gets a job at the Foto Hut but gets fired for being too efficient and making Hyde and Leo look bad, even though they're the only other two who work there and Leo is the boss. Bob meets a woman at the supermarket.

Eve takes a more active role in her main man's professional life. Meanwhile, Lucifer gets back to basics and Amenadiel fights for his family.