Counterpart

While hiding in Howard's life, Howard Prime (J.K. Simmons) must avoid detection at home and at the OI. Quayle (Harry Lloyd) and Clare (Nazanin Boniadi) struggle to adjust to their new arrangement.

Imprisoned on the Other Side, Howard (J.K. Simmons) must prove his loyalty. Emily Prime (Olivia Williams) gets a promotion.

Howard (J.K. Simmons) is transferred to a mysterious prison called Echo. An unexpected visit gives Emily (Olivia Williams) a connection to her old life. Emily Prime and Shaw’s (Nicholas Pinnock) investigation is met with resistance.

Howard Prime (J.K. Simmons), Quayle (Harry Lloyd), and Clare (Nazanin Boniadi) must unite against a common enemy. Emily Prime (Olivia Williams) turns her investigation toward her Counterpart. Yanek (James Cromwell) probes Howard’s past.

A new revelation puts Howard Prime (J.K. Simmons) and Quayle (Harry Lloyd) in jeopardy. Life at Echo is disrupted. Clare (Nazanin Boniadi) reconnects with her past.

In 1987, an accident at a top secret lab opens a wormhole between parallel worlds that brings East German scientist Yanek Tomes (James Cromwell) face-to-face with his doppelganger on the Other Side.

As the Other Side looks to start negotiations to reopen the Crossing, Temple (Betty Gabriel) questions Quayle’s (Harry Lloyd) ability to investigate Indigo. Clare (Nazanin Boniadi) is drawn into helping some old friends, while Howard (J.K. Simmons) and Emily Prime (Olivia Williams) look for answers at Echo.

Howard Prime and Emily work together to figure out Indigo’s plans. Clare and Quayle consider their future. Howard must face the truth about his wife.

As Emily Prime (Olivia Williams) prepares to make good on her deal for Howard’s (J.K. Simmons) release, Temple (Betty Gabriel) enlists Clare (Nazanin Boniadi) to expose the Indigo sleeper cell before they unleash their attack.

As Mira (Christiane Paul) unveils the last act of Indigo’s revenge plan, Howard (J.K. Simmons) and Emily (Olivia Williams) set out to repair their marriage. The truth about Clare (Nazanin Boniadi) and Spencer (Ken Duken) haunts Quayle (Harry Lloyd).