Supernatural -- "Unity" -- Pictured (L-R): Alexander Calvert as Jack, Jensen Ackles as Dean, Jared Padalecki as Sam and Emily Swallow as Amara -- Photo: Jeff Weddell/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured (L-R): Jensen Ackles as Dean and Jared Padalecki as Sam -- Photo: Jeff Weddell/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity"  -- Pictured: Emily Swallow as Amara -- Photo: Jeff Weddell/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured: Jared Padalecki as Sam -- Photo: Jeff Weddell/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured (L-R): Jensen Ackles as Dean and Alexander Calvert as Jack -- Photo: Michael Courtney/The CW -- 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured (L-R): Alexander Calvert as Jack and Jensen Ackles as Dean -- Photo: Michael Courtney/The CW -- 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured: Alexander Calvert as Jack -- Photo: Michael Courtney/The CW -- 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured (L-R): Jared Padalecki as Sam and Jensen Ackles as Dean -- Photo: Jeff Weddell/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured (L-R): Alessandro Juliani as Adam, Jensen Ackles as Dean, Alexander Calvert as Jack and Carmen Moore as Serafina -- Photo: Michael Courtney/The CW -- 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured (L-R): Alexander Calvert as Jack, Jensen Ackles as Dean and Carmen Moore as Serafina -- Photo: Michael Courtney/The CW -- 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured (L-R): Jensen Ackles as Dean and Carmen Moore as Serafina -- Photo: Michael Courtney/The CW -- 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured (L-R): Alexander Calvert as Jack and Jensen Ackles as Dean -- Photo: Jeff Weddell/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured: Emily Swallow as Amara -- Photo: Jeff Weddell/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured: Alexander Calvert as Jack -- Photo: Jeff Weddell/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured: Jensen Ackles as Dean -- Photo: Jeff Weddell/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Supernatural -- "Unity" -- Pictured: Alexander Calvert as Jack -- Photo: Jeff Weddell/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.