• (L-R) Actors Daniel Dae Kim, Alex O'Loughlin and Scott Caan attend the 2011 CBS Upfront at The Tent at Lincoln Center on May 18, 2011 in New York City.

(L-R) Actors Daniel Dae Kim, Alex O'Loughlin and Scott Caan attend the 2011 CBS Upfront at The Tent at Lincoln Center on May 18, 2011 in New York City. (Photo : Getty Images/ Neilson Barnard)

"Hawaii Five-0" Season 7 which is anticipated to premier soon will be hitting a huge landmark for the show as it reached its 150th episode. The writers are ready to give the fans a very special episode, and the episode will be named "Ka makuahine a me ke keikikane," translating to "Mother and Son."

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The CBS' show have seen several alumni from the show hopping on planes just to shoot for the episode in Hawaii. Peter Lenkov the showrunner has also been sharing posts generously on Instagram about the comeback of some cast members, and he even went ahead and posted the official shooting schedule for the episode.

When he was asked about the episode, Lenkov said, "It is really a mythology episode... It will tie up some loose ends and give a new storyline in the episode that follows."

"Hawaii Five-0" Season 7 will still display Sara's future as unsure. Chin (Daniel Dae Kim) had been reluctant about taking in Gabrielle's daughter, with some sneak peeks for the upcoming season showing that the two have definitely gotten closer.

The 150th episode will also see the comeback of Christine Lahti who will play as Doris McGarrett. In addition, Wo Fat's father will also be there. The dual will play an important role in giving Steve McGarrett (Alex O'Loughlin) the opportunity to answer some questions that he, and the fans have been asking since season 1 of the series.

During the previous season, the role of Alex O'Loughlin as McGarrett almost faced death.

Other crew members that are set for a return are Sarah Carter (Lynn) and Michael Borth (Catherine). Last weekend, the two already arrived on set, the actresses have taken to Twitter to show their sentiment about coming to the show.

The highly awaited season may also have Steve possibly getting back together with Catherine and even married. Viewers speculate that their love story will "re-ignite" immediately the two see each other again.

"Hawaii Five-0" Season 7 features the release of Ian Anthony Dale's Adam from the prison. But it seems like there is a lot more in secret, Express reported.

Adam will be out of prison in the premiere episode of "Hawaii Five-O" Season 7 and he will get the chance to marry Grace Park's Kono.

According to TV Guide, the executive producer, Peter Lenkov said, "I like to believe they will be thinking about starting a family and about just trying to move on from all the worse in their life."

Lenkov pointed out that the couple will be more intact and closer relationship keeping in mind that the moments of their lives are short. He explained that as a result, Adam and Kono will view their relationship in another way on "Hawaii Five-0".

Avid followers of the show can expect the chanced of them having a new baby in the upcoming segment.

"Hawaii Five-0" Season 7 will be featuring two stars from "Prison Break" along with actress from "Sin City Saints." Faran Tahir, Rosalind Chao and Chris Vance will make an appearance. During Season 3 and 4, Vance had made his appearance as James Whistler.

Vance was also known for playing the role of villain Non in "Supergirl" while Tahir appeared on "American Crime" as his previous project.

This is going to be Tahir's first time to star as Jamil.

"Hawaii Five-O" Season 7 returns on Sept. 23, 2016 on CBS.

Watch "Hawaii Five-0" Season 7 Episode 1 here: