Four orphaned siblings, determined to stay together as a family, decide to inhabit an abandoned boxcar and turn it into their new home in the woods. When one of the siblings falls ill, the others go out to seek a doctor to save their sister. Meanwhile, their wealthy grandfather has offered a sizable reward to anyone who has information about his grandchildren, hoping that they can all be reunited once more. As the children continue to evade being...

The Alden's neighbor, Lina, thinks there's treasure hidden in her attic and she wants the Boxcar Children to help her find it. Of course, the children are eager to help search—but it appears they aren't the only ones looking for the treasure.

Picked on, overweight genius Owen tries to invent a television that can see the past to find out what happened the day his parents were killed.

When Madeline hosts a tea party for her friends, naughty Pepito arrives late, behaves badly, and is sent away before the cake arrives.

After happily exploring garbage cans in the streets of Paris and pulling fish from the river, Genevieve, the puppy belonging to Madeline and the other orphans, receives an unwanted bath.

While visiting an aquarium in Florida, the Aldens discover that the Ocean Adventure Park's great white shark has a very human enemy.

5 children visit a South Sea island and unravel a mystery with a surprise solution.

The Aldens, along with Butterscotch the horse, attempt to find a saboteur who is trying to shut down their ice cream wagon.

The Aldens, while testing the latest version of their favorite computer game, are surprised to find messages directed specifically at them.

Twelve-year-old genius and outsider Willow Chance must figure out how to connect with other people and find a surrogate family for herself after her parents are killed in a car accident.