Complex sentence: Johnson made Super 8 movies in high school and later attended University of Southern California's film school, where he became a teaching assistant in animation, and created some of the Monty Pythonesque animations for Nickelodeon's television series "Out of Control".
Split into simpler sentences: Johnson made Super 8 movies in high school and later attended University of Southern California's film school where he became a teaching assistant in animation. His modest film career included the Monty Pythonesque animations for Nickelodeon's television series "Out of Control".