"Henry, Jessie, Violet, and Benny used to live in a boxcar. Now they have adventures everywhere they go. At a lighthouse, the children find a mystery in the night!"

The Alden children start out on a one-day mountain climbing excursion that becomes very exciting. They unearth some mysteries and some treasure and have a good time in the process.

The Alden children are trapped in their cabin by a snowstorm, but while they wait for the storm to pass, they discover the cabin is full of secrets.

The Alden children have an adventure as they journey along with the Little North Railroad in two cabooses rented for the summer by their grandfather.

The Aldens are excited to learn about beekeeping. But when equipment goes missing, they have more than honey to harvest -- they have a mystery to solve!

The Alden children visit a family friend at his apple orchard which is rumored to be haunted, but instead of a ghost they find that some of the families' valuable antiques are being stolen.

"In this all-new very special mini-series, the Aldens have been recruited by a secret society to return lost artifacts and treasures to their rightful locations--all around the world! The Aldens arrive in Egypt but the agent they're supposed to meet has gone missing! With the help of a puzzle in a papyrus scroll, they figure out their next mission--to deliver a tiny ancient pharaoh statue to an archaeologist at the Pyramids! Along the way they outwit...

The Aldens are helping out at a rescue ranch for horses. Jessie's favorite is a beautiful horse named Dragon. When Dragon and other horses disappear from the pasture, the Boxcar children must saddle up for a mystery. What's happening to the horses at the Dare To Dream Ranch?

When the Alden children and their grandfather visit Everglades National Park in Florida to solve the mystery of a missing ranger, they discover that a panther provides a clue.

The Aldens take part in a hunt at a gem mine and discover that someone is out to sabotage the contest.