Benny's friend accompanies the Aldens to the South Seas for a vacation on a supposedly deserted island where they find an unusual mystery.

The Boxcar Children's friend Mike is wrongly accused of starting a fire. Can they discover who is really behind Mike's mystery?

A local radio station is holding the Great Detective Race, and the Boxcar Children have entered the contest! They solve riddles and search all over town for clues leading to the grand prize. But when some of the clues turn out to be fake, it's clear that someone is playing unfairly! Who could be trying to ruin the race - and why?

The Boxcar Children, suspicious when someone steals the note they found inside the pages of a "Captain Fantastic" comic book, team up with the superhero's creator to find out who is selling fake copies of the comics.

The Aldens search for carousel horses that have disappeared from an amusement park.

When Henry's magic teacher, The Amazing Arthur, goes missing right before the Greenfield Magic Shop's annual magic show, Henry and his sibilings look into Arthur's disappearance.

Two brothers take summer jobs at a department store where a series of peculiar events brings them under suspicion.

Benny's curiosity is aroused when an unidentified midnight visitor is seen at a deserted seashore cottage.

While on a camping trip with their grandfather, the Alden children try to find out about the loud music and missing food that threatens to scare away other campers.

Jessie wants her science fair project to make a difference. So when she gets the chance to test a local creek for pollution, she can't wait to get started. But when things start going wrong with her experiment, Jessie and her siblings don't just have an experiment to investigate, they have a mystery to solve!