Porcupines; leopards; macaws.

Spider monkeys; hippos.

After a rare comet sighting, teen sisters Regina (Catherine Mary Stewart) and Samantha (Kelli Maroney) find that they're among the only survivors of a zombie attack. The girls partner with another survivor, Hector (Robert Beltran), but as they try to avoid the zombies, they're sought by scientists who want to experiment on their bodies in the hope of finding an antidote. Dodging both the doctors and the undead, they keep moving in the hope that they can continue to stay alive.

Confederate and Union soldiers team up to battle a platoon of dead fighters resurrected by an evil spirit.

To the students at Harrington High, the principal and her posse of teachers have always been a little odd, but lately they've been behaving positively alien. Controlled by otherworldly parasites, the faculty try to infect students one by one. Cheerleader Delilah (Jordana Brewster), football player Stan (Shawn Hatosy), drug dealer Zeke (Josh Hartnett) and new girl Marybeth (Laura Harris) team up with some of their other classmates to fight back against the invaders.

When warrior Beowulf (Christopher Lambert) learns that the inhabitants of the Outpost are being killed by a monstrous creature named Grendel, he offers to help the king, Hrothgar (Oliver Cotton), fight off the beast. The beleaguered fighters are grateful for his help, but a warrior named Roland (Gotz Otto) grows jealous of Beowulf when he sees him with the king's daughter (Rhona Mitra). As Beowulf learns more about Grendel, he realizes how much danger they all are in.

The doomsday machine is activated; Earthforce claims the technology; Garibaldi learns his martian lover's fate.

Sinclair and Garibaldi undertake a mission to rescue the Babylon 4 space station; Delenn is recalled by the Grey Council.

A Jaffa leader tries to rally his people against the Goa'uld, while seeking to forge an alliance with Earth.

SG-1 finds a replicator-controlled world and explores its origins.

Anubis' forces lay siege to a planet after the Shades of Gray NID team disables its defenses; SG-1 works with the captives to restore the protection.

A voice interrogates aliens' captives and probes their weaknesses.

Human survivors terrorize a handful of aliens who remain on Earth after an interplanetary war.

A doctor finds a way to reverse the process of aging, but at a cost.

The doomsday machine is activated; Earthforce claims the technology; Garibaldi learns his martian lover's fate.

Sinclair and Garibaldi undertake a mission to rescue the Babylon 4 space station; Delenn is recalled by the Grey Council.