"A Rock Time:" A visual extravaganza of animation, the episode is told entirely from the point of view of a new dilithium crystal destined for the Cerritos warp core. Series regulars appear only in the background of the story.
A tainted shipment of a vaccine incapacitates the crew leaving Lt. Steve Levy in command of the Cerritos. He has to choose between believing everyone is a crisis actor or that he’s actually deserving of promotion.
Boimler creates a holodeck adventure based on the epic earth Biblical film Salome, directed by Colin McKenzie. Once the holodeck doors close, Boimler learns that the film exists only in fragments, and there appears to be... no way out.
The Cerritos makes second first contact with a species whose neighboring pulsar prohibits long-term memory. Winger Bingston, Jr. gains newfound notoriety as a subspace podcaster.
Shax is visited by his ultra-conservative sister who finds out about the casual relationship between Shax and T'Ana. Boimler and Rutherford try and fine tune the replicators to create raisins similar to the Boimler family varietals.
When Captain Ransom puts a carb cap on Cerritos replicators, a lower decker workaround results in a sentient spaghetti monster prowling the ship's corridors.
When senior staffers beam down for a clothing-optional conference on Risa, the Cerritos is hit by pupitron rays, causing the junior staff to be turned into puppy versions of themselves.
"The Canary Trainer"
Storyteller Bernard Constant comes aboard to have the crew act out a historical audio adventure--with Mariner in the lead! But are there forces at Starfleet Command that don't want a story about Khan to see the light of day?
Meanwhile, it's a beach party at Cetacean Ops!
MESSAGE FROM CENTRAL COMMAND:
“when this account reaches 47 followers,
it will answer 3 questions.”
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"Something Borrowed, Something YOU"
Ensigns Karavitus and Moxy are getting married! Leading the ceremony, Captain Ransom is interrupted when a nearby blue star suddenly goes nova. The blue light bathes the Cerritos. Dr. T'Ana's medical scans show one of the brides is not who she says she is....
Captain Ransom organizes a celebratory dinner for a sect of Remans; he finds out they eat dessert as meals. Meanwhile, Rutherford has been tasked with installing holocameras at all major intersections on the ship--potentially impacting Mariner's off-the-clock dalliances.
A power outage in the Bussard ramscoop control room means Rutherford must describe all his actions to Tendi. Meanwhile, Boimler and Mariner compete in a 3D chess tournament as the ship's bar hosts a convention for Starfleet recruiters.
Richard Kind returns to voice a vengeful Doopler.
T’Lyn reprograms the replicator in an attempt to authenticate its Plomeek soup recipe only to have it spit out nothing but artisanal appetizers. Captain Ransom refuses to send Mariner to the brig despite her misbehavior.
"For the Decks Are Bottoms and I Have Touched the Ceiling:"
Asif, Casey, Gary, and Mackler person the keel sensor suite during a long haul in a nebula. While there, each reveals their own role in an incident six years prior: the unsanctioned removal of the Cerritos' official clown.
Rutherford and Billups suddenly appear on the bridge, covered in goo. Their revelation: they've been living across microsecond time jumps since Mariner's holodeck in a holodeck in a holodeck had a warp core bubble breach.
Unbeknownst, the duo were present in a montage of personal crew moments.
When the Cerritos finds an abandoned egg on a deserted planet, Dr. Migleemo suspends his practice to sit on it. The crew collapses under the mental strain of a nearby anomaly that causes them to relive childhood trauma. Boimler confronts his irrational fear of bath time.
Captain Ransom’s frat brother boards the Cerritos and won’t stop pitching his cryptocurrency to the crew. Dr. T’Ana battles the biggest hairball of her life.
Rutherford and Billups are still missing, though no one, including T'Ana, seem to notice.
Season premiere: Boimler discovers a gray hair in his beard. Mariner has created a holodeck in a holodeck in a holodeck and can't find the way out. Tendi decides to find common ground between science and Orion religion, and T'Lyn will help.
Rutherford, T'Ana, and Billups are mysteriously missing.