Batman: The Animated Series S01E45 - What is Reality?

Seeking to prove once and for all that his is the superior mind, the Riddler lures Batman into a riddle-solving contest inside the virtual reality of a computer game in order to save Commissioner Gordon's life. In the course of solving the riddles and escaping the Riddler's traps, Batman learns that he is able to manipulate the virtual reality landscape much like the Riddler does.