The Odyssey

When 11-year-old Jay Ziegler falls from a treefort after being pursued by bullies who wanted his father's precious telescope, he ends up in a coma - in the real world (known as the Upworld). In the Upworld, Jay's mother Val, his best friend Donna and the bully Keith all try to cope with their reality. In the Downworld (Jay's mind), Jay finds himself in a world entirely populated by children, where he meets up Alpha and Flash (the Downworld counterparts of Donna and Keith) and the trio embark on a mysterious mission involving a telescope, the land's mysterious leader Brad, and a connection to Jay's father.

In the Upworld, Jay's coma worsens and he's taken to intensive care, causing Val to be faced with the prospect that her son may never recover. Meanwhile in the Downworld, Jay believes that his connection to home lies in the Tower, so he sets out with his companions to find it.

In the Upworld, Jay's condition becomes more stabile and his classmates make him get-well-soon cards. Meanwhile, in the Downworld, as Jay and Alpha prepare for re-education at the mission, Flash recruits some tower-resistance fighters to help rescue the pair.

In the Upworld, Val moves Jay to an experimental private care facility called Driftwood, where she meets Dr. Max Oswald who has developed some experimental treatments. Meanwhile in the Downworld, the trio make their way to the library club where they can get a map to the tower.

In the Upworld, when Jay's paternal grandmother isn't up to the task of helping Val with Jay's physiotherapy, Val allows Donna & Keith to help in Jay's recovery. Meanwhile in the Downworld, Jay, Alpha and Flash find the first of three checkpoints but have to face tests to get through them.

In the Upworld, when Val is laid off work due to her spending so much time with comatose Jay, she decides to visit her mother in the country at the family farm. At Driftwood, Donna and Keith continue to help by reading King Arthur stories to Jay. Meanwhile in the Downworld, the trio reach a cornfield where Flash meets Lobelia & Yudo and learn of Yudo's belief of ""Big People"".

In the Downworld, a downhearted Jay spends time in the ""bus-cafe"" but is soon reunited with Flash and Alpha, as they find themselves on the run again, and find themselves near the lighthouse.

In the Downworld, en route to the Lighthouse, Jay and friends are captured by pirates and Flash disappears. In the Upworld Val is forced to go to a lawyer to have Brad declared legally dead, in order to pay for Jay's treatment.

In the Upworld, Donna and Keith prepare a birthday party for Jay's deceased father, in order to get a reaction from Jay. In the Downworld, Jay and Medea travel into the Lighthouse to rescue Flash.

In the Upworld, Jay wakes up which delights his mother, but it's only short-lived. In the Downworld, they're struck by earthquakes until Jay returns in time to find the Brad is turning 16 and leaving this world.

In the Upworld, Val tells Donna she should spend less time with Jay and more time in the real world. In the Downworld, Yudo leads Jay to a school where the records of every person are kept in order to get more info about Jay's father.

In the Upworld, when Keith and Donna research the death of Jay's father, they learn that reports claimed he drowned but he was really a champion swimmer. In the Downworld, Yudo tries to use Jay to bring the ""Big People"" by putting Jay into a coffin with a window of crystal.

In the Upworld, Jay has finally come out of his coma, and is attempting to re-adjust to living a normal life, but his mom insists on counseling. Meanwhile, in the Downworld, Finger is the new leader and he puts Jay and Flash in a fight for survival.

In the Upworld, Jay meets Nikki, with whom he shares his experiences in the coma, but is shocked to discover they see the same therapist. Meanwhile, in the Downworld, Finger hires an assasin to kill Jay.

In the Upworld, Jay isn't doing well in school and considers dropping out. Meanwhile, in the Downworld, Fractal invents a helmet that allows kids to through the wall to the adult side, causing Jay & Flash to compete for the chance to test it.

In the Upworld, Jay goes to his first party and tries to get Sierra's attention, while Donna tries to make new friends. Meanwhile in the Downworld, Jay fears Alpha may be caught up in a club of blood-sucking vampires.

In the Upworld, when Val starts dating a new man, Steve, Jay decides he doesn't like the man. Meanwhile, in the Downworld, Macro orders that all copies of ""The Fax"", a newsletter Alpha produces be stopped and the Bladers circulating them be eliminated.

In the Upworld, Jay, Keith and Donna become caught up in a group of teenagers who are harassing a shopkeeper. Meanwhile, in the Downworld: Jay, carrying a strange globe, is proclaimed the ""Pathfinder"", by a group of kids in search of their homeland.