The Weight of this Combination

The Weight of This Combination
Air date	April 18, 2014
Episode Guide
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The Weight of This Combination is the first episode of Season 3 of Orphan Black.

Synopsis

Sarah pursues the missing Helena who is held in a faraway compound. Sarah must use her wiles – and acting chops – to deter a Topside investigator who threatens the Leda sisters’ lives. Meanwhile, Cosima appears to be rebounding from her illness, while Alison and Donnie face newfound financial woes. But when the menace of Castor rears its head once more, Sarah and her entire family must come together to survive.

Cast

Main Cast Tatiana Maslany as Sarah Manning, Cosima, Alison, Rachel, etc. Jordan Gavaris as Felix Dawkins Dylan Bruce as Paul Dierden Maria Doyle Kennedy as Siobhan Sadler Evelyne Brochu as Delphine Cormier Kevin Hanchard as Arthur Bell Ari Millen as Mark, Rudy, etc. Recurring Cast James Frain as Ferdinand Navigation v - e - d Episodes Season 1 Natural Selection • Instinct • Variation Under Nature • Effects of External Conditions • Conditions of Existence • Variations Under Domestication • Parts Developed in an Unusual Manner • Entangled Bank • Unconscious Selection • Endless Forms Most Beautiful Season 2 Nature Under Constraint and Vexed • Governed by Sound Reason and True Religion • Mingling Its Own Nature With It • Governed As It Were By Chance • Ipsa Scientia Potestas Est • To Hound Nature in Her Wanderings • Knowledge of Causes, and Secret Motion of Things • Variable and Full of Perturbation • Things Which Have Never Yet Been Done • By Means Which Have Never Yet Been Tried Season 3 The Weight of This Combination • Transitory Sacrifices of Crisis • Formalized, Complex, and Costly • Newer Elements of Our Defense • Scarred by Many Past Frustrations • Certain Agony of the Battlefield • Community of Dreadful Fear and Hate •Ruthless in Purpose, and Insidious in Method • Insolvent Phantom of Tomorrow • History Yet to Be Written Season 4 The Collapse of Nature • Transgressive Border Crossing • The Stigmata of Progress • From Indistinct to Rational Control • Human Raw Material • The Scandal of Altruism • The Antisocialism of Sex • The Redesign of Natural Objects • The Mitigation of Competition • From Dancing Mice to Psychopaths Season 5 The Few Who Dare • Clutch of Greed • Beneath Her Heart • Let the Children and Childbearers Toil • Ease For Idle Millionaires • Manacled Slim Wrists • Gag or Throttle • Guillotines Decide • One Fettered Slave • To Right the Wrongs of Many