Star Trek: Lower Decks Episode 5 – Cupid's Errant Arrow Episode Title:Cupid's Errant Arrow.Episode Description:Boimler welcomes his girlfriend, Barbara, onto the Cerritos. Mariner doubts that Barbara is sincerely interested in Boimler, and becomes obsessed with proving her hypothesis. The Cerritos provides support to the USS Vancouver in the controlled demolition of an unstable moon, and Freeman deals with the alien politics involved before the demolition can proceed. Rutherford and Tendi are excited to tour the larger Vancouver with its state-of-the-art technology...