"Hawaii Five-0" Season 7 spoilers have been surfacing online since fans are thrilled for its next episode.

The previous episode entitled "Ka Hale Ho'okauweli," which means "House of Horrors," featured Kono (Grace Park) and Adam (Ian Anthony Dale) being kidnapped by a death cult.

The synopsis of Season 7, Episode 6, as reported by Celebrity Laundry, said that "On Halloween, Five-0 investigates the murder of a medium with a checkered past who apparently scared to death by a poltergeist. Also, Kono and Adam are kidnapped by what appears to be a death cult."

The incident happen just days after Kono and Adam reunited following the latter's release from jail.  It seems like the couple are not meant to spend quality time together.

In the next episode, According to TV Fanatic, "two other recurring characters return, as Catherine comes back to complicate McGarret's nonexistent love life and to get him to rescue his spy mother Doris."

Also, Lynn Downey who acted as Steve's new love interest is said to return in Season7, Episode 7 entitled "Ka Makuahine A Me Ke Keikikane" which means "Mother And Son."

The synopsis reads that "Five-0 must free McGarret's mother, Doris (Christine Lahti) when Catherine (Michelle Borth) informs them that she was captured and is about to be executed after attempting to free Wo Fat's imprisoned father. Also, Chin loses his appeal to have Sara's adoption delayed, and she must move on to Mexico."

Meanwhile, it has been reported that O'Loughlin will retire on the popular TV series soon.

"I signed on for another two (seasons) which is this year and next year, series seven and eight, and I don't know if I can sustain any more than that just physically," the actor told News.com.au.

It has been said that O'Loughlin is already suffering from back pains.

"I've take so many physical hits on this show, my back is pretty bad and I've got a lot of fixing I've got to do.I've got to fix my body," he continued.

"May be 15 years ago I'd say 'yeah I want to jump off that building' but I was 40 a couple of weeks ago so I kind of know my place. There are certain things you don't try to start doing at 40," he added.

"Hawaii Five-0" Season 7 is being aired on CBS at 9 PM.