The theory that it's easy to lose track of a celebrity while on location - Part 3. Reverse quiz where people on the street are asked "What is your age?" and then asked "How old do you think I look?" - it's difficult to get the right answer theory.

A showdown with mixed rules of cold and heat protection. The theory that the sound of farting can surprisingly be masked during a drinking party.

[Everyone's Theory Special] The theory that you can call a rhino by its name without honorifics. ▼ The theory that if you’re served imitation crab at a crab specialty restaurant, you won’t be able to tell the difference. ▼ The theory that after handcuffs are removed, people will always touch their wrists. ▼ The theory that people with fluffy cheek hair won’t feel a slap — testing 19 theories.