08/13/2012 04:57 pm ET

'Hawaii Five-0' Season 3 Sneak Peek: Christine Lahti And A Shocking Death

Better not pack those summer clothes up just yet, there will still be time for fun in the sun when "Hawaii Five-0" Season 3 premieres on Mon., Sept. 24 (10 p.m. ET on CBS).

In the premiere episode, Christine Lahti comes to Hawaii as Doris McGarrett. What's she been doing for the last 20 years? That's what McGarrett wants to know.

Plus, in the Oct. 1 episode, the "Five-0" gang participates in a traditional Hawaiian paddle-out after a shocking death.

Check out photos from the new season by clicking through the slideshow below.

Hawaii Five-0 Season 3