1x40 - Food and eating

April 6, 2015

Guest: Kim Tae-woo

1x41 - Conscience and morality

April 13, 2015

Guest: Baek Ji-young

1x42 - Lookism

April 20, 2015

Guest: Kim Jun-hyun

1x43 - Education of Gifted and Talented Children

April 27, 2015

Guest: Jang Jin

1x44 - Jobs

May 4, 2015

Guest: Huh Young-man

1x45 - Own Home

May 11, 2015

Guest: Song Eun, Kim Sook

1x46 - Haterism

May 18, 2015

Guest: Chin Jung-kwon

1x47 - Leadership

May 25, 2015

Guest: Onew, Choi Min-ho

1x48 - Making people laugh

June 1, 2015

Guest: Kim Young-chul

1x49 - Law

June 8, 2015

Guest: Robert Holley

1x50 - Girl groups and Middle-aged men

June 15, 2015

ㅎGuest: Jo Min-kiGuest: Jo Min-ki

1x51 - War and Peace

June 22, 2015

Guest: Chin Jung-kwon

1x52 - 1st Anniversary Special

June 29, 2015

1x53 - The best place to live

July 6, 2015

Guest: Hwang Kwang-hee

1x54 - Hypersensitivity Reaction of Mers

July 13, 2015

Guest: Hwang Seok-jeong

1x55 - Desire

July 20, 2015

Guest: Im Won-Hee, Son Ho-Jun

1x56 - Correct Answer

July 27, 2015

Guest: Lee Hoon

1x57 - World Economy, Greek Financial Crisis

August 3, 2015

Guest: Choi Jin

1x58 - Dangers of Science and Technology

August 10, 2015

Guest: Park Joon

1x59 - Gender Role

August 17, 2015

Guest: Hong Jin-Kyung

1x60 - Multiculturalism

August 24, 2015

Guest: Jeong Jun-Ha

1x61 - Decision-making

August 31, 2015

Guest: Jang Do-Yeon

1x62 - National Psyche and Country Development

September 7, 2015

Guest: Heo Kyung-Hwan

1x63 - Enviromental Protection

September 14, 2015

1x64 - Working vs. Getting Education

September 21, 2015

1x65 - Chuseok Special

September 28, 2015

1x66 - Ill-fated Relationships

October 5, 2015

1x67 - Creativity

October 12, 2015

1x68 - Importance of Eating Breakfast

October 19, 2015

1x69 - Miscommunication Between Men and Women

October 26, 2015

1x70 - A World without Crime

November 2, 2015

1x71 - Social Polarization

November 9, 2015

1x72 - Personal Privacy and Privacy Law

November 16, 2015

1x73 - Part-time Work Impeding Carreer Advancement

November 23, 2015

1x74 - Boasting

November 30, 2015

1x75 - War on Terror

December 7, 2015

1x76 - Making A Good First Impression

December 14, 2015

1x77 - Legendary Music

December 21, 2015

1x78 - 2015 Top Global Issues

December 28, 2015

1x79 - Utopia

January 4, 2016

1x80 - Interest in Politics

January 11, 2016

1x81 - Love of Pets

January 18, 2016

1x82 - Personal Branding

January 25, 2016

1x83 - Debt

February 1, 2016

1x84 - Couple's Holiday Fighting

February 8, 2016

1x85 - Real Friendship

February 15, 2016

1x86 - Mainstream and Non-Mainstream

February 22, 2016

1x87 - Children's Life Satisfaction

February 29, 2016

1x88 - Planning for Older Age While Young

March 7, 2016

1x89 - The 3rd Hallyu

March 14, 2016

1x91 - Understanding People's Behavior Using Data

March 28, 2016

1x92 - Neighbor Problems

April 4, 2016

1x93 - Comparing Yourself to Others

April 11, 2016

1x94 - Wanting Constant Attention from Others

April 18, 2016

1x95 - Minimalist Lifestyle

April 25, 2016

1x96 - Conspiracy Theories

May 2, 2016

1x97 - Ageing Gracefully (Or Not)

May 9, 2016

1x98 - Syrian Refugee Crisis

May 16, 2016

1x99 - Natural Disasters

May 23, 2016

1x100 - 100th Episode Special - Part 1

May 30, 2016

1x101 - 100th Episode Special - Part 2

June 6, 2016

1x102 - Happiness

June 13, 2016