Photos

Grover and Tani interview Joe Ennis, the brother of a man killed aboard Flight 912 when it crashed.

Grandma Huang tests the water on the hot tub. Who is going to join her in the fun?

Junior checks in on Tani at the ambulance after her takedown of a suspect left her with a bandaged arm.

McGarrett confronts Cullen after CID hauls away Quinn on a trumped-up charge orchestrated by Cullen.

Louis T. Steinhil (#27): Conclusion" Episode 702 -- Pictured: James Spader as Raymond "Red" Reddington

"Louis T. Steinhil (#27): Conclusion" Episode 702 -- Pictured: (l-r) James Spader as Raymond "Red" Reddington, Megan Boone as Elizabeth Keen

Tani and a diver suspected of murdering another diver battle underwater while the diver attempts to escape.

Francesca leads Katarina's army to Dom's house as she prepares to fight on Red's behalf. For how long?

Liz finally gets to Dom's house, but she's unsure about the situation. How will she react when she learns about Katarina?

Ressler is going to be in Katarina's sights at some point because he's the reason why this is happening.

Dembe is concerned about Red and wants to help him any way he can. But Red needs to tell Dembe everything.

After McGarrett's truck is disabled with a punctured tire, he and Quinn try to figure out how to pass the time.