The Adventures of Sharkboy and Lavagirl 3-D (2004)

Max is a normal guy with a dreaming habit-making him a target for bullies. One day, he accidentally summons imaginary characters in his mind named sharkboy and lavagirl. They are his heroes who will defend him at all costs, but when they arrive for real, something unexpected happens, the 2 heroes need max to save their world from a dire threat