Super Mario World (SNES) glitch?

[bangtango]

I have 2-3 copies of Super Mario World (SNES) laying around. One of them has an apparent bug or glitch where you can not see the platform during the boss fight in Iggy's castle (World 1). Anyone ever have a cart like this? What can I even do about it? I've tried adjusting my tv and playing the level a few times over. No dice, I still fight Iggy on an invisible platform. Please note everything else in the game appears as normal on the screen.

[Superman]

I've never had that problem or found a copy like that.

I'm sure I will be but I would check the connections for dirt, corrosion, and proper connection when inserted in the system, etc.

If that's not the problem, I really don't know. Maybe you have the rare error version!

[ssjlance]

I remember thinking a copy I bought once had some issues like that, but it turns out that someone had just completed Star Road. Changes all the sprites for Koopas....

Anyways, it sounds like you have a bad graphics chip (Haven't had caffeine yet, can't remember technical name) in the cart. Which sucks.