NCIS: Los Angeles season 12 is officially happening on CBS and many were delighted about it. Some recent reports also suggest that lead stars LL Cool J and Chris O'Donnell have signed new deals, so we're going to see more of Sam and Callen moving forward.

So, what would NCIS: Los Angeles season 12 look like for O'Donnell's G. Callen? He is one of the strongest characters within this world and his story is worth exploring. He has been through a lot already and found a family with Hetty's team, which could further evolve him in the future.

CarterMatt noted that family could become an integral part of Callen's story in NCIS: Los Angeles season 12, especially since he and Anna move forward with their relationship. The two might decide to leave together and will deal with issues that normal couples usually face.

In terms of an emotional level, Callen and Anna may help each other conquer their demons. They have been dealing with their own issues, so they could lean on each other's shoulders to get some strength. But, will they eventually decide to get married? That remains to be a question at the moment.

When it comes to Callen's professional life, he and Sam established new potential stories during their time overseas. Argento could be the newest adversary in NCIS: Los Angeles season 12, and he could challenge Callen on an intellectual and emotional level.

Argento's arrival could lead to more chaos, as there are politics associated with him. Callen and Sam may go undercover in the upcoming installment to learn more about this person. There's a potential battle along the way, given that the show often features action-packed scenes.

Meanwhile, there are also other interesting storylines worth-exploring entering NCIS: Los Angeles season 12. For instance, Deeks and Kensi's s story is one of the key parts of the show and it's nice to see where they're going in the latest installment.

The two are happily married and stable, yet there's still a question regarding their future. Deeks and Kensi are dedicated to their job, but will they consider having a baby now? Speaking to TV Insider, executive producer Frank Military has something to say about this particular subject.

He teased that this dilemma is going to be a test for both Deeks and Kensi. Military hinted that this circumstance would challenge their dynamics. Kensi, in particular, needs to wrestle with the dilemma between her personal life and professional life.