Yesterday I showed you the unfunny skeleton in Jerry Seinfeld's closet. But that was only, at worst, the second-most embarrassing moment for a future Seinfeld star. Presenting the classic 1985 commercial featuring Jason Alexander hoofing and crooning in honor of the McDLT, complete with cuffed sleeves on his white sport coat and either a bad toupee or a haircut that looks like one. Alexander makes the most of this no-win situation, throwing himself into the performance with the same whole-hearted enthusiasm that George Costanza put into his elaborate lies.
See tomorrow's edition of Watch This First for more Seinfeld archaeology. And see our archives for more of our favorite video distractions.