was that really fabio in the 3rd episode?

That really was Fabio.

Are you referring to the "Hick Eye for the Queer Guy" skit? If so, no that was not Fabio at the end as the guy's date. That guy was one of the skit actors. He was much too short, and ugly to have been Fabio, not too mention not nearly buff enough.

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"You're smarter than you look, but you look like a retard." - Cordy Chase

I think it was FLABio.