The Z Team is pretty sure nothing else is coming out of the old railroad station. They're ready to retire. However, when people start going missing in town, the Z Team gets back together to fight their next challenge, which are vampires.

Together with his grandpa, a young boy finds a way to save his favorite tree in this heartwarming Christmas tale Alec loves to climb trees—the little apple trees, the wide willow trees, even the tall locust trees. But his favorite is the great spruce, with its sturdy trunk and branches that stretch up to the sky. Alec’s grandpa planted it as a sapling years and years before Alec was born, and every Christmas, Alec and his grandpa decorate the tree together, weaving tinsel and lights through its branches, making it shine bright. But one day, a few curious men from the nearby city take notice of Alec’s glistening great spruce, and ask to take it away for their Christmas celebration. Though it’s a huge honor, Alec’s heartbroken at the idea of losing his friend. With great courage and creativity, Alec comes up with a plan to save his favorite tree in this joyful holiday tale.

Chloe gets a new dog and notices that it stands outside every night howling at the moon. Her dog isn't the only one in town that has started doing this, and some of the howls are coming from the old railroad station. What's worse is that the boys on the football team who always hassle the Z Team start acting really funny. Almost like...werewolves! The Z Team has a new case to crack.

In the 1990s American workplace, survival of the fittest is sometimes less about clawing your way to the top than developing good camouflage. And Audrey Rohmer is doing her very best to blend in as an undistinguished middle manager. Uninspired by her job and uneasy about her father's new marriage, Audrey coasts through the work week leaning on her "partner in apathy" - an admin assistant named Pooter - to keep her relationship with the married head of her department from becoming water cooler gossip. But when an old family friend-turned-Hollywood-superstar crashes on her doorstep in the midst of a publicity crisis, Audrey's under-the-radar status quo gets upended, and the writing may literally be on the bathroom wall that secrets will find a way out.

The Z Team sets up their headquarters in Malik's basement. They get an application for a new member, Raven. Raven is really cool, but there's something strange about her. Together, they investigate the ghostly happenings around Bridgeside. Who has come to town this time on the Eerie Express?