Nathan Anderson

When a terrified young Halloween reveler finds the mummified remains of a teenage girl in a Halloween pumpkin patch maze, Brennan and Booth are called to the scene to investigate. They are perplexed by the fact that the girl appears to have been deceased for at least a year, while Hodgins discovers her body is covered with spider bites. Booth and Brennan later receive word of a second mummy found at Halloween amusement park funhouse, and it appears the victim, another teenage girl, was killed on Halloween approximately two years prior. As the team questions a variety of ghoulish amusement park employees, from the grim reaper to a zombie, they get word of a third teenage girl who has gone missing. Booth and Brennan realize that they have until Halloween to find her before the killer strikes again. Meanwhile, the team gets decked out in costume for the annual Jeffersonian Halloween Ball, and they encounter a few scares of their own.

When subway passengers, including Detective Esposito, are taken hostage by a mysterious gunman, Castle, Beckett and the team must uncover the gunman's agenda before it’s too late.

When Marjorie takes a break from the group, Bonnie becomes the go-to for everyone’s problems, and Christy tries to overcome a painful memory from her past.

The NCIS team investigates when a petty officer who recently returned from duty is found dead backstage at a local bikini contest.

After Cordelia tells her new friend Anya that she wishes Buffy had never come to Sunnydale, she suddenly finds herself in a reality where vampires control the town.