: It refers to an abrupt or unexpected turn in plot or dialogue. Kim's sudden shift from a starship in deep space to a coffee shop on Earth is a massive, jarring "non sequitur" in his personal narrative. Themes and Impact
: Kim's attempts to explain his situation lead Starfleet Security to suspect him of being a Maquis spy. He eventually discovers that a "time-stream" accident involving a shuttlecraft caused him to switch places with his counterpart in this timeline. [S2E5] Non Sequitur
The title works on multiple levels, drawing from both logic and literature: : It refers to an abrupt or unexpected