One of the reasons Firefly is so easily rewatchable is also its tragedy: there are only 14 episodes to begin with.
The horribly short-lived show, which aired on Fox back in 2002, was a victim of poor scheduling and a lack of confidence, but remains one of TV's greatest sci-fi achievements.
Season 2 will never materialise, but rewatching is helped by knowing that Serenity is waiting to tie things up in a satisfactory manner. More than that, though, it helps to make up for the fact this never got the multiple seasons run it deserved, and it's great spending time in such a fully-formed world with an incredibly charismatic ensemble, in a show packed with action, humour, and tension that never goes stale
NCTJ-qualified journalist. Most definitely not a racing driver. Drink too much tea; eat too much peanut butter; watch too much TV. Sadly only the latter paying off so far.
A mix of wise-old man in a young man's body with a child-like wonder about him and a great otherworldly sensibility.