The county fair has come to Greenfield. The Aldens are so excited about entering the competitions at the fair. Henry and Benny will bake a blueberry pie, Jessie will make jewelry, and Violet will paint a picture.

It’s a big day at the Silver City Mall, where hundreds of people are lined up to audition for the show Pop Star Sensation! The Aldens are in line, too, because Violet wants to meet one of the judges—her favorite pop star, Madlynn Rose. But just before the show starts, Madlynn vanishes! Can the Aldens track down the superstar before it’s too late?

The Aldens search for a lost gold mine while on a camping trip to Arizona.

It’s a big week at Cogwheel Stadium—the Clayton Cogs are playing for the pennant! But the other team’s batters seem to know the pitches too well, and it’s clear someone in the stadium is stealing the Cogs’ pitcher’s signals. Now the Boxcar Children must find out who is spying for the other team!

A dusty old theater that was shut up for years is coming to life again, and the Aldens are there for opening night! The Boxcar Children are excited to help out backstage with a brand-new mystery play. But the Trap-Door Theater has mysteries of its own—with rumors of ghosts, disappearing props, and even a haunted seat! What secrets lie behind the scenes?

The Boxcar Children have joined a community basketball league and are thrilled when they find out that Buzz and Tipper Nettleton, Greenfield's most famous basketball stars, are coaching their team. But when Tipper's Most Valuable Player trophy is missing. It's up to the Alden children to find out who's behind the trouble.

The Aldens visit the upstate New York town where the Legend of Sleepy Hollow was set and discover a headless horseman mystery all their own! Their friend’s ghost-tour business is threatened by a spooky figure on horseback who is throwing gory pumpkins. Who—or what—is haunting Sleepy Hollow?

A famous orchestra visits Greenfield and brings an original piece of music by Mozart! But when the music goes missing, the Aldens must find out if it was misplaced…or stolen.

Henry, Jessie, Violet, and Benny used to live alone in a boxcar. Now they have a home with their grandfather, and they are trying to catch a runaway ghost! When the Aldens visit their friend Fran in Wisconsin, they can't wait to hear her tell the story of the runaway ghost. Fran's family ghost hasn't been spotted in years, but the Aldens still shiver at the spooky tale of the ghost's bell clanging after dark. Then Violet hears a mysterious ringing in the middle of the night, and the children start to wonder—could the runaway ghost be back?

While visiting their aunt and uncle in San Francisco the Alden children visit Fisherman's Wharf. After they ride on their uncle's boat they discover something fishy is going on in the wharf and someone doesn't want Uncle Andy to catch any fish.

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 archaelogist at the Pyramids! Along the way they outwit a thief who tries to steal all the treasures. Their next mission is to England, to return one of the “crown jewels of Stonehenge.” But someone is following them! Could it be someone from the powerful Argent family, ruthless antique collectors and bitter rivals of the Silvertons?

The Aldens begin their adventure by making a home in a boxcar. Their goal is to stay together, and in the process they find a grandfather.

The Aldens find evidence that the stories about a monster in Lake Lucille might be real.

The Aldens are exploring an old house in Michigan. When they arrive at the mansion, they can't wait to start looking through all the rooms. They find an old diary that tells that a diamond and pearl ring is hidden in the house.

The four Aldens are rock hunting in Dragon's Mouth Cavern, until Benny finds a sinkhole that leads to underground caves. While exploring the caves they realize that someone doesn't want them there. But why? Can they solve this new mystery?