[Everyone's Theory Secial] The theory that even when living alone, you’ll say 'I’m in here' if someone knocks while you’re in the bathroom. ▼ The theory that the oldest rental properties have buildings from the Edo period — testing 16 theories all at once.

Topic: "Kuro-chan: Living on a deserted island with a single room"

Continuation of topic: "Kuro-chan: Living on a deserted island with a single room"

The theory that it's possible to naturally incorporate Nagabuchi's song lyrics into a sermon — Part 2. ▼ The theory that children who resemble celebrities on impersonation shows now look exactly like the original celebrities. ▼ Wife competition! The Sleep Talk Contest, where wives try to make their husbands laugh while sleep-talking.

≪Behind the Live Broadcast, We Were Doing a Lot of Things Special≫ The comedians of Lavit! remotely control the female guests in an improvised comedy challenge. ▼ Discovering a young comedian with a charismatic sense of humor whose scores perfectly match Matsumoto’s in the King of Conte.

A Werewolf-style game, 'Kansai Werewolf,' where people from Kansai try to identify the fake Kansai person among them. ▼ What is the limit to what can be carried home from a convenience store without a plastic bag? ▼ The theory that the 'Mikoshi Tako' (festival octopus) person is starting to lose their octopus due to the COVID-19 pandemic.

The theory that if you fall into a pit and the reveal of the prank never comes, you won’t be able to stay sane as the day goes on. A brutal prank is set up using a pit more than 3 meters deep, impossible to escape on your own, as comedians face an incredibly harsh challenge.

[Everyone's Theory Special] The theory that if you sleep in an extremely noisy place, you’ll wake up the moment it becomes quiet. ▼ The theory that harvesting the fruit variety of bontan (a type of citrus) is also called 'bontan hunting.' Testing 15 theories.

The theory that it’s hard to point out if a female talent, whom you haven’t seen in a while, has had extreme plastic surgery... Tested with Hiroko Anzai and Chiharu Niiyama. ▼ The ‘Unsuccessful Comedian Lunch Takeaway Championship’ where comedians compete to take the most bento boxes from the dressing room.

The 'Grandfather's Grandchild Laughing Championship' where the grandchild doesn't laugh at all, creating a reverse prank that is heart-wrenching. ▼ The theory that The Tachi (a comedy duo) do have solo work after all.

The last episode of 2021 is a 90-minute extended special with 'special theories'! Theories that are so scary they give you a headache. Theories that are difficult for anyone to handle. Theories that seem impossible to make funny.