Somehow, Robert De Niro has never seen a dog before (video)

Robert De Niro, meet the dog. And by that, we mean the entire popular household pet species that the actor has somehow never heard of until now.

A confused Fallon politely corrected his guest, who was still quite skeptical about the bizarre beast.

See Robert De Niro through the years:

Watch the video above. No, you won’t get the full cat betrayal story.

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