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

PHOTOS: Meet Mama McGarrett On 'Hawaii Five-0'
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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
(01 of08)
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McGarrett's mother, Doris McGarrett (guest star Christine Lahti) returns to Hawaii and must face questions from her son about her 20-year disappearance, on the third season premiere. (credit:CBS)
(02 of08)
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McGarrett (Alex O'Loughlin, center) asks Catherine (Michelle Borth, left) to help protect his mother, Doris McGarrett (Christine Lahti, right) on the third season premiere.
(03 of08)
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Danny (Scott Caan, left) and Kono (Grace Park, right) relax after a tough day of fighting crime.
(04 of08)
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After a shocking death, Kono (Grace Park) participates in a traditional Hawaiian paddle-out.
(05 of08)
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After a shocking death, McGarrett (Alex O'Loughin) participates in a traditional Hawaiian paddle-out.
(06 of08)
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Catherine (Michelle Borth) and McGarrett (Alex O'Loughlin) reflect and get dressed after participating in traditional Hawaiian paddle-out following a shocking death.
(07 of08)
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Max (Masi Oka, left), McGarrett (Alex O'Loughlin, center) and Danny (Scott Caan, right) relax after a tough day of fighting crime.
(08 of08)
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After a shocking death, the team participates in a traditional Hawaiian paddle-out.

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