1 - Episode 1

2 - Episode 2

3 - Episode 3

4 - Episode 4

5 - Episode 5

6 - Episode 6

7 - Episode 7

8 - Episode 8

9 - Episode 9

10 - Episode 10

11 - Episode 11

[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.

12 - Episode 12

13 - Episode 13

14 - Episode 14

15 - Episode 15

16 - Episode 16

17 - Episode 17

18 - Episode 18

19 - Episode 19

20 - Episode 20

21 - Episode 21

22 - Episode 22

23 - Episode 23

24 - Episode 24

25 - Episode 25

26 - Kuro-chan Island (part 1)

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

27 - Kuro-chan Island (part 2)

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

28 - Episode 28

29 - Episode 29

30 - Episode 30

31 - Episode 31

32 - Episode 32

The Obon & Kobon Reconciliation Project finally reaches a conclusion! Will both of them appear together at Kobon’s daughter’s wedding? And will their relationship be repaired? Tonight is the finale! What conclusion will they come to?

33 - Episode 33

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.

34 - Episode 34

≪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.

35 - Episode 35

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.

36 - Episode 36

37 - Episode 37

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.

38 - Episode 38

[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.

39 - Episode 39

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.

40 - Episode 40

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.

41 - Episode 41

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.