Base layer text showing up on other layers

Thanks all for your replies.

Apparently, I am the lucky one to get to experience this. I have the IT guy coming to check out my computer for any issues.

Here is what is happening. I have the main layer text hidden in the subsequent layers:

I then go back to the main layer and change the timing of the paragraphs appearing to match the VO. When I go back to the layer, it shows this as if the text is hidden:

When I expand the Text Box, this shows:

I do not see the eyes of the paragraphs unless I expand the text box. I catch this when previewing the slide, and the layers show overlapping text from the main layer.

For now, I am checking the "Hide objects on the main layer" then inserting the elements that I originally wanted to carry over from the main layer (illustrations, slide title, buttons, etc.).

Again, thanks to those who responded.