Imagine facing down a power-hungry pirate army with nothing but a pair of drumsticks and a blazing torch. This is the incredible true story of Juan Santamaría, the teenage drummer boy who became Costa Rica’s ultimate national hero.

In this episode of Brain Blast, Alex and Jordan travel back to 1856 to witness the second Battle of Rivas. You'll meet the notorious American filibuster William Walker, who tried to conquer Central America, and the brave young man who stopped him in his tracks. Discover how a simple snare drum served as the "walkie-talkie" of the 19th century and how one final, heroic sprint changed the course of history forever.

Inside This Episode:

• The Villain: Who was William Walker, and why was he obsessed with taking over Costa Rica?
• The "Walkie-Talk ...