"The Sound of Thunder" -- Episode #206 -- Pictured: Hannah Spear as Siranna of the CBS All Access series STAR TREK: DISCOVERY. Photo Cr: Michael Gibson/CBS ÃÂ©2018 CBS Interactive, Inc. All Rights Reserved. | Episode 2.06 - The Sounds of Thunder | Promotional Episode Photos | Season 2 | Star Trek | Gallery

SpoilerTV Image Archive | Gallery | Star Trek | Season 2 | Promotional Episode Photos | Episode 2.06 - The Sounds of Thunder | "The Sound of Thunder" -- Episode #206 -- Pictured: Hannah Spear as Siranna of the CBS All Access series STAR TREK: DISCOVERY. Photo Cr: Michael Gibson/CBS ÃÂ©2018 CBS Interactive, Inc. All Rights Reserved.

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