The Constant is the 5th episode of the fourth season of LOST, and generally considered the best episode of LOST ever.It follows Desmond and Daniel Faraday's adventures through time and space.
Trivia[]
This was originally pitched to Damon and Carlton as a potential pilot for a spin-off sitcom involving memory problem-plagued Daniel and Love-lorn Desmond traveling in England, as a wacky, unbelievable but fun, show. They liked the idea, and it was aired.