If you watched the today's show around, say, the year 2000, this might sound familiar.

Hi, everybody.

Here we are.

In my kitchen, it's about 18 hours plus before I get my first colonoscopy.

That's Journalist Katie Kirk.

In this clip, she walks her viewers through the entire process of getting a colonoscopy.

From the prep.

My first glass.

Looking forward to it.

Here goes nothing.

To the procedure.

How do you feel?

I feel very lethargic.

To the aftermath.

I didn't feel the thing.

You're brilliant after all.

Thank you very much.

Kirk's doctor goes on to tell her that the results were normal.

About three years before her on air colonoscopy, Kirk's husband, J. Monahan, hadn't been so lucky.

At the age of 41, J. was diagnosed with stage 4 colon cancer, and he died just one year later.

An estimated 150,000 people in the United States will be diagnosed with colorectal cancer this year, according to the American Cancer Society.

Though colonoscopies are incredibly safe and effective, they aren't all that comfortable.

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