You will Watch Invader Zim Episode 23 online for free episodes with HQ / high quality. Stream cartoons Invader Zim Episode 23 Game Slave 2 Gaz is in line for a newly released hand-held games console when the person behind her, who introduces himself to her as Iggins, tricks the salesperson into giving the final console to him. Gaz is on the trail of this video game fan boy and pursues him to his home where she removes the batteries. Desperate for batteries so he can save his game, Iggins heads to the shopping mall. While in the elevator Gaz scares him into handing over the console. She then puts some batteries into it and continues playing. This episode is one of three episodes not to feature Zim.