episodes
- 1. Independence from parents Guest: Jang Dongmin
- 2. Pre-marital co-habitation Guest: Jang Sora & Lee Gukjoo
- 3. Career pursuit Guest: Shin Haechul
- 4. Dating Guest: Soyou & Oh Nami
- 5. Compulsory sex education Guest: Haha & Skull
- 6. Relationships Guest: Jo Seho
- 7. Marriage Guest: Hong Sukchun & Ahn Youngmi
- 8. Seoul living Guest: Rose Motel
- 9. Raising children Guest: Kim Gura
- 10. Chuseok special Guest: Sam Hammington
- 11. Job application requirements Guest: John Park
- 12. Internet/Smartphone usage Guest: Jo Kwon
- 13. Spending money on friends Guest: Yoo Sang Moo
- 14. Maintaining good health Guest: Lee Yoon-Suk
- 15. Parenting Guest: Park Ji-Yun
- 16. Foreign language studies Guest: Jang Gi-Ha
- 17. Dreams and happiness Guest: Kim Sung-Kyun
- 18. Break-ups, divorce Guest: Gong Hyung-Jin
- 19. Love, romance problems Guest: Jang Yoon-Ju
- 20. Generation gap Guest: Super Junior's Eunhyuk and Kyuhyun
- 21. The bond of brothers Guest: Kim Bum-Soo
- 22. Workplace sex discrimination Guest: Bobby Kim, Sayuri Fujita
- 23. Crime and Safety Guest: Kangin, Zhou Mi
- 24. Entrepreneurship Guest: Lee Sang Min
- 25. Christmas Special Guest: Yoon Min-Soo, Ryu Jae-Hyun
- 26. New Year Special
- 27. Philanthropy Guest: Noh Seung-hwan (Sean Noh)
- 28. Private education Guest: Kim Kwan
- 29. Anger and rage Guest: Park Chul-min
- 30. Noblesse oblige Guest: Seo Jang-hoon
- 31. Study abroad and immigration Guest: Kang Yong-suk
- 32. Lies and rumors Guest: Kangnam
- 33. James Hooper special update Guest: James Hooper
- 34. Retirement plans Guest: Kim Kwang-kyu
- 35. Fashion trends Guest: Moon Hee-joon
- 36. Midlife crisis Guest: Yoon Do-hyun
- 37. Wealth Guest: Hong Jin-ho, Kang Kyun-sung
- 38. Television Guest: Jo Young-nam
- 39. New academic term Guest: Kim So-yeon
- 40. Food and eating Guest: Kim Tae-woo
- 41. Conscience and morality Guest: Baek Ji-young
- 42. Lookism Guest: Kim Jun-hyun
- 43. Education of Gifted and Talented Children Guest: Jang Jin
- 44. Jobs Guest: Huh Young-man
- 45. Own Home Guest: Song Eun, Kim Sook
- 46. Haterism Guest: Chin Jung-kwon
- 47. Leadership Guest: Onew, Choi Min-ho
- 48. Making people laugh Guest: Kim Young-chul
- 49. Law Guest: Robert Holley
- 50. Girl groups and Middle-aged men ㅎGuest: Jo Min-kiGuest: Jo Min-ki
- 51. War and Peace Guest: Chin Jung-kwon
- 52. 1st Anniversary Special
- 53. The best place to live Guest: Hwang Kwang-hee
- 54. Hypersensitivity Reaction of Mers Guest: Hwang Seok-jeong
- 55. Desire Guest: Im Won-Hee, Son Ho-Jun
- 56. Correct Answer Guest: Lee Hoon
- 57. World Economy, Greek Financial Crisis Guest: Choi Jin
- 58. Dangers of Science and Technology Guest: Park Joon
- 59. Gender Role Guest: Hong Jin-Kyung
- 60. Multiculturalism Guest: Jeong Jun-Ha
- 61. Decision-making Guest: Jang Do-Yeon
- 62. National Psyche and Country Development Guest: Heo Kyung-Hwan
- 63. Enviromental Protection
- 64. Working vs. Getting Education
- 65. Chuseok Special
- 66. Ill-fated Relationships
- 67. Creativity
- 68. Importance of Eating Breakfast
- 69. Miscommunication Between Men and Women
- 70. A World without Crime
- 71. Social Polarization
- 72. Personal Privacy and Privacy Law
- 73. Part-time Work Impeding Carreer Advancement
- 74. Boasting
- 75. War on Terror
- 76. Making A Good First Impression
- 77. Legendary Music
- 78. 2015 Top Global Issues
- 79. Utopia
- 80. Interest in Politics
- 81. Love of Pets
- 82. Personal Branding
- 83. Debt
- 84. Couple's Holiday Fighting
- 85. Real Friendship
- 86. Mainstream and Non-Mainstream
- 87. Children's Life Satisfaction
- 88. Planning for Older Age While Young
- 89. The 3rd Hallyu
- 90. Time Management
- 91. Understanding People's Behavior Using Data
- 92. Neighbor Problems
- 93. Comparing Yourself to Others
- 94. Wanting Constant Attention from Others
- 95. Minimalist Lifestyle
- 96. Conspiracy Theories
- 97. Ageing Gracefully (Or Not)
- 98. Syrian Refugee Crisis
- 99. Natural Disasters
- 100. 100th Episode Special - Part 1
- 101. 100th Episode Special - Part 2
- 102. Happiness