Scientist Ian Wilmut describes the process by which he and other researchers at Scotland's Roslin Institute cloned the first mammal, a sheep named Dolly, and makes a case for the medical uses of cloning.

Season two hits the ground running with Sarah in a desperate race to find her missing daughter Kira. Her scorched earth tactics spark a war with pro-clone Rachel, dividing and imperiling all the clones. As Sarah discovers more about her past, mysterious newcomers appear. But can they be trusted?

Sarah is on the run from a bad relationship when a lookalike stranger commits suicide right in front of her. Sarah sees a solution to all her problems by assuming the dead woman's identity and clearing out her bank account. Instead, she stumbles into a thriller mystery, and uncovers an earth-shattering secret: she is a clone. She learns there are more like her, genetically identical individuals, nurtured in wildly different circumstances, and someone...

A mysterious new clone appears this season, linking the current season to the past. Felix is having feelings of separation and loss because of the big revelation that Sarah is actually related to S, while Felix isn't.

"'When they said all happy families are alike, I don't think this is what they meant...' Evelyn Caldwell's husband Nathan has been having an affair - with Evelyn Caldwell. Or, to be exact, with a genetically cloned replica. After a morning that begins with a confrontation and ends with Nathan's body bleeding out on the kitchen floor, the two Caldwell wives will have to think fast-before sharing everything includes sharing a jail cell. The Echo Wife...

Nelson and Kenny have been CLONED! Robot Nelson and Robot Kenny are faster, smarter, and better dancers! But when the clones spin out of control at school camp, can the REAL Nelson and Kenny SAVE THE DAY?

"The Martian meets Multiplicity in Edward Ashton's high concept science fiction thriller, in which Mickey7, an "expendable," refuses to let his replacement clone Mickey8 take his place. Dying isn't any fun...but at least it's a living. Mickey7 is an Expendable: a disposable employee on a human expedition sent to colonize the ice world Niflheim. Whenever there's a mission that's too dangerous-even suicidal-the crew turns to Mickey. After one iteration...

Kathy, Ruth, and Tommy are best friends who grow up together in the isolated boarding school called Hailsham, with a chilling secret. As children, Kathy is secretly in love with Tommy. Then she sees her best friend Ruth holding Tommy's hand, and is devastated. As adolescents, Tommy and Kathy form a deep connection, only to have Ruth shove them apart with her own romantic demands. As they prepare to leave the school, they learn of their true purpose:...