GAC travel to the legendary Wild West town of Deadwood, South Dakota to investigate its most haunted locations, where the spirits of cowboys and gunslingers still roam.
Stephanie asks Aaron to befriend a client's son, not realizing Aaron is terrified of him; Gabby saves Maggie's life.
Determined to overcome her timidity and face her fears, Fluttershy decides to participate in the scary fun of Nightmare Night with her friends.
The gang decides to ride out a storm at Amy's house. Things spiral out of control when they discover Amy's play, portraying her all friends.
Gabby uses a childhood friend to make Noah jealous; Stephanie tries to correct Aaron when he accidentally calls her "Mom."
After more than seven years, out of nowhere, Fairy Tail's worst nightmare returns: Acnologia, the dragon that nearly slaughtered the guild's most powerful members. The timing couldn't be worse, as the Fairy Tail members are exhausted, but then Natsu somehow hears Igneel's voice...
Caroline and Olly present the first of this year's live shows. The 12 remaining acts compete for the chance to make it through to the live final later this year, hoping to impress the judges enough to stay on the show. Simon has the Overs, Cheryl the Groups, Nick the Boys, and Rita the Girls. However, the standard is high, which is sure to cause drama and disagreements among the judges, and tomorrow's show will see the first act eliminated after a sing-off.
Boyz II Men's Nathan Morris requests a custom aquarium that will sit inside an old fireplace. Also: Wayde and Brett install a 1000-gallon tank for an octopus exhibit at the Greensboro Science Center in North Carolina.
During the filming of a short horror movie for Marinette's class, scared star Mylène is akumatized into a slimy monster that feeds on others' fears.
On Halloween, Mike and Chuck decide to spend the evening watching football instead of passing out candy with their wives. But when Vanessa and Carol start pranking them, the competition is on to see who can out-prank who. Kyle dresses up like his hero, Ed, but Ed has a surprising response to Kyle's imitation of him.
Satirical news quiz. Regular team captains Paul Merton and Ian Hislop are joined by guest host David Tennant and guest panellists Grayson Perry and Katherine Ryan.
Ricky the Rocketship helps out with a school pageant, Bethiffer applies for jobs at the mall, and Roy becomes obsessed with a dating app.
Vic plunges into sin courtesy of Lloyd's estranged wife. Meanwhile, the gang shoots a music video for Boonie's latest track, "Side Bitches".
The episode opens with a flashback to Ken's botched marriage proposal on Halloween. Now 20 years later, Ken tries to arrange the perfect re-proposal for Allison. Meanwhile at the office, which is decorated for Halloween, Damona and Julie accidentally drug Pat and then take advantage of their boss' suddenly giving mood.
Glitch blocks Niagara Falls to give Grim HQ a mud bath causing a hydroelectric power station to stop working.