Zoe was Mal's first mate and closest friend. They had been through war together and knew each other like the backs of their own hands. Zoe was also happily married to Serenity's goofy, fun-loving pilot Wash, while Mal was busy denying his love for resident courtesan Inara. Mal once endured extended torture so Zoe could save her less-torture-resilient husband before charging back to save him. These two always knew they could rely on one another, no matter what.

We never knew whether to give River a hug or duck for cover. Either way it's hard not to fall for Summer. She's been most recently spotted as Isabel Rochev on the CW's Arrow.

Was there anyone who didn't love Kaylee on Firefly? Short of breaking out the Firefly dvds, if you want to see more of Jewel, sci-fi fans can also check out the canceled Stargate Atlantis and crime fans can watch the final season of The Killing on Netflix.

Jayne was the only guy who could make that orange hat look cool. As much as we wish we could see the Hero of Canton once again, Adam Baldwin is still looking pretty heroic as the Navy's XO Mike Slattery on TNT's new hit The Last Ship.

Mal, Zoe and Jayne after a bar brawl on Unification Day

The Serenity crew takes on a train robbery on Firefly's "The Train Job"

The crew of Firefly sits around in thought in this scene from the terrific series opener.

Mal dons a bonnet to pull off their latest caper on Firefly. "Our Mrs. Reynolds" is the fourth episode of the show's first season.

The crew of the Serenity look for salvage on an abandoned ship on Firefly. "Bushwhacked" is the third episode of the show's first season.

May he have this dance? You're looking at a photo from the Firefly episode "Shindig."

Simon holds on to his sister River, as they prepare to be burned alive.

Mal gets a good look at the new Mrs Reynolds on Firefly. "Our Mrs. Reynolds" is the fourth episode of the show's first season.