We got a tip about a meat plant selling pig intestines as fake calamari, wondered if it could be true, and decided to investigate. Doppelgängers, doubles, evil twins and not-so-evil twins, this week. Fred Armisen co-hosts with Ira Glass.

This American Life, Saturday at Noon and Sunday at 7:00 p.m. on NPR 89.1 FM/1550 AM.

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