You will Watch Invader Zim Episode 29 online for free episodes with HQ / high quality. Stream cartoons Invader Zim Episode 29 Walk for your Lives Zim is doing time related experiments on Dib, but the experiment explodes. Dib manages to escape but he is “slowed down” and can only move very slowly. Also produced is an explosion, which is also exploding very slowly. Zim decides that the explosion needs to be put into the city cesspit to stop it from exploding and destroying his base. After some frustration and against the advice of GIR and the computer, Zim decides to throw Dib into the explosion to cause it to speed up. The explosion then explodes at normal speed.