While it's not strictly a food, humans have been chewing gum-type stuff for around 9,000 years. In this classic episode, Anney and Lauren blow up the history, science, and sticky menace of chewing gum.

The Lipton Episode Is in the Bag
34:05

Vietnamese Fish Sauce: Two-Ingredient Wonder
35:06

In a Scrape with Raclette
36:33