Dave the Barbarian (2004)

S1E6 Ned Frischman: Man of Tomorrow

Ned Frischman, a self-proclaimed nerd, finds himself transported back in time and devises a plan to conquer the ancient world with the help of video games. Using his gaming knowledge, he attempts to outsmart historical figures and manipulate events, all while navigating the challenges of a vastly different era. As he puts his strategy into action, Ned faces unexpected obstacles and learns valuable lessons about power, history, and himself.