Thatch's toothache may send him to a human dentist.

Casper's attempts to help Mantha win a scaring competition backfire.

Mantha replaces her arm with a tentacle that seems to be causing trouble at school. Meanwhile the boys keep finding vandalism at night and suspect it to be caused by Mantha.

Casper makes a creature out of cafeteria leftovers, but the beast proves difficult to control.

Casper forms a secret squad to end bullying at school.

Casper helps Ra seem more athletic, but his kindness could lead to trouble after Ra is challenged to complete a dangerous task.

Casper tries to protect a bunny that frightens Alder and Dash.

The kids undergo scariness testing.

Casper's uncles give him scaring tips that end up working too well.

Ra gains popularity after kids at the school find out he's rich. Thatch, Alder, and Dash try to claim Ra's riches.

Casper goes to a medieval-themed restaurant with Professor Burns, who's seeking revenge against the knights there.

A botched experiment changes the students' personalities, such as the mean people as nice people.

Casper joins a scout troop but is dismayed by their mission to scare people.

Thatch is stuck at a Halloween party in Deedstown.

Ra and Mantha encourage an overwhelmed Casper to be less helpful, but it could affect Jimmy's magic show.

A bully gets magic shrinking dust, putting the whole town in peril.

A battle of the bands divides Casper, Mantha and Ra.

Kibosh pressures Casper to run for Class Representative, but Casper doesn't want to betray Mantha, who's also running.

Ra sneaks away on a camping trip and ends up lost in the woods with Casper and Mantha.

Norman takes Casper's ghostly form and causes trouble. While the whole thing is happening, Alder & Dash use this as a way to avoid punishment from Kibosh.

Casper is supposed to spread bad cheer in Deedstown, but he really wants to spend time with Jimmy during Christmas.

The students overuse a clock that stops time until it breaks and everyone is stuck in time.

Casper and friends haunt Jimmy's house in an effort to stop the Bradley family from moving.

Ra takes Harpy to the school dance, where Ra plans to be named king. However as Thatch heard about the award of the dance, he is determined to become king.

Wolfie turns into a human, much to his horror, and could be expelled from Scare School.

Mosshead proves to be an annoying houseguest.

Paramedic Paranormal: Jimmy goes to the hospital to treat his hives, but Casper's friends distract the staff, leaving Jimmy neglected. Back To Ghoul: Casper's uncles return to Scare School and land Casper in hot water as a result of their constant pranks.

Casper's uncles return to Scare School and land Casper in hot water as a result of their constant pranks.

Feeling neglected on his birthday, Ra goes to the museum to visit his mummy friends. The trip turns perilous when the exhibit is packed up for a new location.

Copies of Cappy's treasure map flood the school, leading to an all-out treasure hunt.