Season 1
Independence from parents
Guest: Jang Dongmin
Pre-marital co-habitation
Guest: Jang Sora & Lee Gukjoo
Career pursuit
Guest: Shin Haechul
Dating
Guest: Soyou & Oh Nami
Compulsory sex education
Guest: Haha & Skull
Relationships
Guest: Jo Seho
Marriage
Guest: Hong Sukchun & Ahn Youngmi
Seoul living
Guest: Rose Motel
Raising children
Guest: Kim Gura
Chuseok special
Guest: Sam Hammington
Job application requirements
Guest: John Park
Internet/Smartphone usage
Guest: Jo Kwon
Spending money on friends
Guest: Yoo Sang Moo
Maintaining good health
Guest: Lee Yoon-Suk
Parenting
Guest: Park Ji-Yun
Foreign language studies
Guest: Jang Gi-Ha
Dreams and happiness
Guest: Kim Sung-Kyun
Break-ups, divorce
Guest: Gong Hyung-Jin
Love, romance problems
Guest: Jang Yoon-Ju
Generation gap
Guest: Super Junior's Eunhyuk and Kyuhyun
The bond of brothers
Guest: Kim Bum-Soo
Workplace sex discrimination
Guest: Bobby Kim, Sayuri Fujita
Crime and Safety
Guest: Kangin, Zhou Mi
Entrepreneurship
Guest: Lee Sang Min
Christmas Special
Guest: Yoon Min-Soo, Ryu Jae-Hyun
New Year Special
Philanthropy
Guest: Noh Seung-hwan (Sean Noh)
Private education
Guest: Kim Kwan
Anger and rage
Guest: Park Chul-min
Noblesse oblige
Guest: Seo Jang-hoon
Study abroad and immigration
Guest: Kang Yong-suk
Lies and rumors
Guest: Kangnam
James Hooper special update
Guest: James Hooper
Retirement plans
Guest: Kim Kwang-kyu
Fashion trends
Guest: Moon Hee-joon
Midlife crisis
Guest: Yoon Do-hyun
Wealth
Guest: Hong Jin-ho, Kang Kyun-sung
Television
Guest: Jo Young-nam
New academic term
Guest: Kim So-yeon
Food and eating
Guest: Kim Tae-woo
Conscience and morality
Guest: Baek Ji-young
Lookism
Guest: Kim Jun-hyun
Education of Gifted and Talented Children
Guest: Jang Jin
Jobs
Guest: Huh Young-man
Own Home
Guest: Song Eun, Kim Sook
Haterism
Guest: Chin Jung-kwon
Leadership
Guest: Onew, Choi Min-ho
Making people laugh
Guest: Kim Young-chul
Law
Guest: Robert Holley
Girl groups and Middle-aged men
ㅎGuest: Jo Min-kiGuest: Jo Min-ki
War and Peace
Guest: Chin Jung-kwon
1st Anniversary Special
The best place to live
Guest: Hwang Kwang-hee
Hypersensitivity Reaction of Mers
Guest: Hwang Seok-jeong
Desire
Guest: Im Won-Hee, Son Ho-Jun
Correct Answer
Guest: Lee Hoon
World Economy, Greek Financial Crisis
Guest: Choi Jin
Dangers of Science and Technology
Guest: Park Joon
Gender Role
Guest: Hong Jin-Kyung
Multiculturalism
Guest: Jeong Jun-Ha
Decision-making
Guest: Jang Do-Yeon
National Psyche and Country Development
Guest: Heo Kyung-Hwan
Enviromental Protection
Working vs. Getting Education
Chuseok Special
Ill-fated Relationships
Creativity
Importance of Eating Breakfast
Miscommunication Between Men and Women
A World without Crime
Social Polarization
Personal Privacy and Privacy Law
Part-time Work Impeding Carreer Advancement
Boasting
War on Terror
Making A Good First Impression
Legendary Music
2015 Top Global Issues
Utopia
Interest in Politics
Love of Pets
Personal Branding
Debt
Couple's Holiday Fighting
Real Friendship
Mainstream and Non-Mainstream
Children's Life Satisfaction
Planning for Older Age While Young
The 3rd Hallyu
Time Management
Understanding People's Behavior Using Data
Neighbor Problems
Comparing Yourself to Others
Wanting Constant Attention from Others
Minimalist Lifestyle
Conspiracy Theories
Ageing Gracefully (Or Not)
Syrian Refugee Crisis
Natural Disasters
100th Episode Special - Part 1
100th Episode Special - Part 2
Happiness