HonestGamers.com presents a video of someone (that would be me) playing through the first stage of Teenage Mutant Ninja Turtles 2: The Arcade Game (which, as you can imagine, is the NES port of the arcade game).
From Wikipedia:
Teenage Mutant Ninja Turtles, released as Teenage Mutant Hero Turtles in Europe, and Teenage Mutant Ninja Turtles: Super Kame Ninja (ティーンエイジ・ミュータント・ニンジャ・タートルズ スーパー亀忍者) in Japan, is a side-scrolling beat-'em-up released by Konami as a coin-operated video game in . Learn about Teenage Mutant Ninja Turtles II: The Arcade Game