'Star Trek: Lower Decks' Episode 10 Preview: Boimler finally learns about Mariner's big secret

Boimler has learned of Mariner's big, nepotistic secret, and the question is: what Captain Freeman do when she finds out he knows


                            'Star Trek: Lower Decks' Episode 10 Preview: Boimler finally learns about Mariner's big secret
(CBS All Access)
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It's the season finale of 'Star Trek: Lower Decks' and Brad Boimler (Jack Quaid) has discovered Beckett Mariner's (Tawny Newsome) biggest secret - that the Captain of the USS Cerritos, Carol Freeman (Dawnn Lewis) is actually Mariner's mother. This may change everything about how Boimler sees Mariner, but how long can he keep the secret himself - and what lengths will Mariner and Freeman go to to make sure that Boimler keeps quiet?

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Boimler discovered this after creating a simulation of the Captain on the holodeck last episode, using her personal logs to recreate Freeman's AI. The revelation initially made Boimler so nervous that he was unable to get through an interview for his promotion, but a promo for the next episode show's that he's gotten over his nervousness - at least, enough to tease Mariner relentlessly about it. As for Mariner, there's a reason that she and Freeman have kept the secret for so long. Not only is it embarassing, but as was emphasized last episode, the only reason Mariner hasn't been kicked out of Starfleet is the fact that her high-ranking parents have been running ragged to keep that from happening - a clear cut case of nepotism that may not hold water once the secret is out.

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In the meantime, the general hijinks of a Starfleet ship continue as normal, as Sam Rutherford (Eugene Cordero) discovers that his cybernetic Vulcan implant has an Extremely Optimistic Mode, and activates it, which should have some interesting effects given how optimistic Sam is to begin with. D'Van Tendi (Noël Wells) is feeling the optimism as well, as a new robot Exocomp is introduced to the ship - an artificially intelligent robot that's able to design its own problem solving tools. As far as Tendi is concerned, this new robot is the best new friend she could ask for since the bizarre dog that she genetically designed from the ground up.

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The official 'Star Trek' website has released a promo for the season finale, featuring Freeman finding out that Boimler knows Mariner's secret, Rutherford activating his new settings, and Tendi's first meeting with the Exocomp, which you can watch here.

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This episode of 'Star Trek: Lower Decks' airs on Thursday, Ocboter 8, on CBS All Access.