“Lethe” is the 6th episode of the TV show “Star Trek: Discovery” and follows “Choose Your Pain”.

Note. This article contains several spoilers about “Lethe”.

Sarek (James Frain) is traveling on a spacecraft that is supposed to bring him to a meeting with a Klingon delegation but a Vulcan extremist sabotage it. Michael Burnham (Sonequa Martin-Green) perceives that Sarek is injured and Captain Gabriel Lorca (Jason Isaacs) decides to try to save him.