The Mole People -- A party of archaeologists discovers the remnants of a mutant 5000 year old Sumerian civilization living beneath a glacier atop a mountain in Mesopatamia.
As Beckett and Castle talk in bed about her lack of job and his potential Sugar Daddy status, Pi, Martha, and Alexis all nonchalantly stroll right in going about their business.
Beckett lets the guys know she just got word she's back on at the Precinct and Castle is back as a consultant, too.
A Rebel vet, O'Meara has refused to surrender when Lee does at Appomattox. O'Meara travels west and after escaping from, he joins the Sioux and takes a wife. After denouncing himself as an American, he must make a choice when the Army and Sioux go to battle.
Victor clashes with Nikki, Jack breaks the news to Summer that he’s asked Kelly to move in and Phyllis opens her eyes. (TV-14 D)
As friends and family gather to remember Katherine Chancellor, Jill comes to a conclusion about the music box and Nina returns to town to have a heart to heart with Paul. (TV-14 D)
Nikki reaches her breaking point, while Jill learns that Katherine has one more surprise for her.(TV-14 DL)
Devon and Hilary face the harsh reality of their future, Cane confronts Colin and Nick puts the pieces together for Sharon. (TV-14 D)
Nick works to get to the bottom of the mystery about Mariah, Kelly considers an offer from Jack, and Sharon lashes out at Victor. (TV-14 D)
Chelsea says farewell to Genoa City, Summer introduces Austin to Phyllis, and Sharon's world is rocked! (TV-14 D)
Dylan questions why Avery wants to help Austin, a harsh reality sets in for Neil, and Stitch witnesses a close moment between Billy and Victoria. (TV-14 D)
Sharon has an explosive argument with Mariah, while a blast from the past enlightens Nick. (TV-14 D)
Neil's condition forces Devon and Hilary to rethink their strategy, Abby and Stitch have it out, and Nick starts to put the pieces together about Mariah. (TV-14 D)
Dylan and Paul navigate the rocky road of their new found relationship, Jack hopes that Summer will accept Kelly, and Nick demands answers from Mariah’s mother. (TV-14 D, L)
Temptation looms large for Nikki, while the dynamic between Neil, Hilary and Devon takes a shocking turn. (TV-14 D, L)
Russell is taken hostage after a teenager opens fire in a police station. (TV-14 L, V)
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