With the help of their rambunctious dog, Hooligan, seven-year-old Tessa and ten-year-old Cammie, daughters of the first female president, investigate when Dorothy's ruby slippers vanish while on loan to the White House.

King's human, Kayla, has baked some treats for a friend's new puppy, Thor, but some go missing and it is up to King to find the culprit.

When one of Kayla's library books goes missing, King and Kayla's friend Jillian must help her solve the crime.

Using her excellent memory, Cam Jansen, aided by her friend Eric, investigates the disappearance of Mrs. Scott's valuable pearl necklace during a charity brunch.

During a trip to Oregon, the Aldens are astonished when Watch discovers a backpack filled with valuables, a finding that compels them to learn what happened and return the backpack to its rightful owner.

When his toothbrush goes missing, Dog's friends help him look for it.

Emmett wears his cape all the time and feels like a superhero, but when it goes missing, he wonders if he'll still be super.

When his best friend, Jack, leaves him behind at the doctor's office, Dexter T. Rexter panics. First he tries to find Jack. Then he sings their special song. Then he sings their special song even louder.

When the musical instruments go missing before the school concert, Catboy must use his super cat speed and some courage to save the day.

Chuck and his toy fire truck are inseparable until one day it goes missing.