Cousins Mike and Kate are at Boston's Fenway Park when the Red Sox's star hitter discovers that his lucky baseball bat has been stolen.

Cousins Kate and Mike visit Kate's father, a baseball scout for the Dodgers, in Los Angeles just as a series of suspicious events lead him to think that someone is trying to steal his scouting reports.

While visiting New York's Yankee Stadium with Kate's mother, cousins Mike and Kate decide to investigate the rumor that the ghost of Babe Ruth is haunting the stadium.

Cousins Mike and Kate investigate after someone threatens to tamper with the scoreboard right before the Colorado Rockies' season opener.

Mike and Kate must solve a mystery during a World Series between the Cubs and the Red Sox when someone starts ruining equipment, getting players in trouble, and even stirring up an old baseball curse.

In New York City for the annual series between rival teams, the Yankees and the Mets, Mike and Kate investigate a spate of pranks, thefts, and sabotage.

Through the window of their hotel room in the Toronto Blue Jays baseball stadium, cousins Mike and Kate spot strange blue lights flashing across the bullpen and decide to investigate.

"A famous soccer star is coming to town, but can practice with a pro help the MVP kids score big at their next game?"--

Cousins Mike and Kate must help the Philadelphia Phillies' mascot, the Phillie Phanatic, clear his name after the team's bats begin to suspiciously break during games.

"In 1971, Alan Shepard and his fellow astronauts made their way to the Moon in the cramped Apollo 14 capsule. Their mission: Study the moon in more detail than ever before. While the world watched on TV, Shepard and Edgar Mitchell gathered rock and soil samples wearing stiff, heavy spacesuits. But Alan Shepard had a secret hidden in his sock: two tiny golf balls. Golf was Shepard’s favorite sport. And since the moon has virtually no atmosphere and...