Episode 6

[The theory that every beautiful woman knows at least one celebrity's phone number] [The theory that it's hard to sing cheerful songs at karaoke after being lectured] [The theory that karate practitioners unconsciously say "Osu" even in everyday conversation] [The theory that there are ○-1 Grand Prix competitions like K-1 and M-1, from A to Z]

The show’s own verdict is on its page.