'Hawaii Five-0' Season 5 Spoilers, Synopsis & Preview: Episode 13, 14 & 15 Synopses Revealed, Plus Watch The 'La Po'ino (Doomsday)' New CBS Promo With 'Lost' Actor Terry O'Quinn [VIDEO]

While a new episode of "Hawaii Five-0" didn't air last week, the show is back on CBS with a bang this Friday! Episode 13 is expected to be chock-full of action, suspense, and excitement. Not only that, but episodes 14 and 15 will air consecutively in the weeks following! With the heartbreaking hiatus behind us, what do we have to look forward to for the rest of season 5? Keep reading for tons of "Hawaii Five-0" spoilers, including Friday's "La Po'ino (Doomsday)" (Episode 13) promo video with Terry O'Quinn!

What should we expect on this week's "Hawaii Five-0" return?

Episode 13, called "La Po'ino (Doomsday)," will air on Friday, January 30 at 9 PM ET. The show will guest star "Lost" actor Terry O'Quinn, who returns as Joe White.

According to the official synopsis, "A patient infected with a contagious and lethal strain of bird flu is kidnapped and the culprits intend to weaponize the virus."

Check out the Episode 13 spoiler-filled promo video featuring "Lost" star Terry O'Quinn below:

What will happen next on "Hawaii Five-0?" Warning: Episode 14 and 15 spoilers coming your way!

"Powehiwehi (Blackout)," episode 14, will air on February 6. On this episode, "Kono fights for her life when she discovers the identity of a notorious criminal who has never been seen."

"She also confesses to Adam that she is conflicted about their future together due to his ties to his formerly corrupt family business," explains the TV Guide synopsis.

Then, on February 15 we will see episode 15, called "E 'Imi pono (Searching for the Truth)." According to TV Guide, "A journalist is killed and Five-0 uses his reporting to track down a presumed dead Congolese warlord who is alive and living on Oahu."

"Meanwhile, Danny overreacts when Grace's text to a boy start accidentally showing up on his cell phone," adds the synopsis.

As you can see, there's plenty to look forward to in the next few weeks of "Hawaii Five-0" episodes!

Which episode stands out for you after reading the spoilers and synopses? Sound off in the comments section below!