When a young ski team training for the Olympics arrives at the remote and isolated Lost Mountain Ski Resort to focus on training, they're thrilled to find a retired Olympic skier is there to help them train. But their plans are halted when a scientist working at a nearby government lab arrives with the horrifying news that a top secret Government project has produced giant spiders and they have escaped, killing and eating everything in sight.
Several teenagers in a small-town in Colorado concoct a July 4th prank based on a frightening legend that goes awry when their friend ends up accidentally killed; however, the teens agree to keep their involvement a secret from the authorities, who continue to search for the man who apparently killed their friend. A year later, with the July 4th celebration coming up again, the teenagers realize that they're being stalked by someone who clearly intends on keeping the horrible legend alive by killing them off.
Marnie Piper prepares to begin a new school year, she asks the Halloweentown Hot Witches' Council to work toward openness between Halloweentown and the mortal world. She proposes to bring a group of Halloweentown students to her own high school in the mortal world.
Mel and Mac are looking for an asteroid to show as a science project. It's hard to do science when they are fighting all the time as (younger) brother and (older) sister. When they are walking through the woods, they see something, but it doesn't turn out to be a rock or meteor. Mel sees footprints and pretty soon, they are taken to a strange and socially awkward grown man. Mel and Mac must work together to do the difficult task of keeping Moses away from trouble, as they try and get Moses to where he came from - something that is more difficult than they thought as he turns out to be from far, far away.
The attic of Brad and Franky's apartment building holds a suitcase full of cash. Now, these two good-hearted Robin Hoods are on a mission of mercy to save some needy neighbors with gifts of money and presents. But the suitcase belongs to a bank robber and now the two young heroes must figure out a way to capture the thief and return the money while saving their neighbors one last time!
Initially cleared of "accidentally" killing her husband, an idyllic wife and mother comes under suspicion when police learn that her first husband also perished under similar circumstances. As the investigation unfolds, it becomes clear that she'll stop at nothing to protect her secrets.