[7][8][9] The show's format, presented with humor, is meant to emulate a meeting of world leaders, like Doctors Without Borders, i.e. "Youth Without Borders"; or the United Nations, or G11, and is hosted by Jun Hyun-moo "Chairman", Yoo Se-yoon "Secretary General", and Sung Si-kyung[7] "Chairman", with guest appearances by South Korean celebrities, guest "representatives", who announce the weekly topics.

Chief Producer (CP) Lim Jung-ah was replaced by Cho Seung-wook,[5][13][14] who created KBS2 Yahaengsung or Night Star, and Hidden Singer after joining JTBC.

[10][19] Promotions and news reports noted several of them for the notoriety they had made for themselves prior to the show: United Kingdom's James Hooper, National Geographic explorer and mountain climber; Canada's Guillaume Patry, professional StarCraft pro-gamer;[20] Japan's Takuya Terada, a model and member of K-pop multi-national group Cross Gene;[21][unreliable source?

[43][44] On January 6, 2015, media reported that visiting intern representatives Ilya Belyakov, Blair Williams, and Sujan Shakya would become fixed cast members, changing the show's original G11 format to a G12 setup.

[45][46][49] On June 20, 2015, Director Kim Hee-jung announced that six members of the cast, Belyakov, Quintart, Shakya, Deiana, Williams and Terada, would be leaving.

[56][57][58][59] The new cast announced on July 1, 2015, included Samy Rashad El-Baz from Egypt, a graduate student in Korean language and literature at Seoul National University and a previous intern who appeared on Episode 11; and first time to appear: Przemysław Krompiec, Poland (Chung-Ang University doctoral student and model[60]), Carlos Gorito, Brazil (Education Advisor at the Embassy of Brazil in Seoul; Science and Technology Section and Academic Exchange Programs[61]), Nikolai Johnsen, Norway (graduate student in international studies at Korea University), Andreas Varsakopoulos, Greece (UMass Boston M.A.

in applied linguistics,[62] high school English teacher in Cheongju) and Yuta Nakamoto, Japan (a K-pop idol trainee with SM Rookies[63]).

[64][65] In September 2015, Director Kim Hee-jung announced the show would be adding more diversity by scheduling appearances with new "visiting intern" representatives, including those already invited from Thailand and Mexico.

chemistry Princeton University, MBus Wharton, Chief Financial Officer Vingle),[68][69] a prior intern on Episode 24, and first time to appear: "Lucky" Abhishek Gupta (India), (CEO agriculture importing company),[70] Zahid Hussain (Pakistan), (B.S.

[108] In August 2014, Star News accounted the successful reception of the show to the majority of the foreign panel already knowing about Korea's cultural experiences and history.

[111] On July 7, 2015, a Korea Herald reviewer of the show's first airing of six new cast members, complimented them for having a serious political debate on issues like the Greek financial crisis, Sino-Norwegian relations and the history of Japanese nationalism; saying they demonstrated "a seasoned maturity and the potential for a significant impact beyond simple entertainment.

Zhang had signed on as an entertainer with SM C&C,[129] and Mondi, Lindemann and Patry were contracted with a management agency, Dramahouse and J Contents Hub, founded by JTBC.

[27] In September, KOCCA said the show "runs a fierce debate on Korean culture" and "their speeches frequently become a hot issue among young viewers, sometimes for being too radical and sometimes too conservative.

"[140] In November, Yale University's YaleGlobal Online, published by the MacMillan Center, that "explores the implications of the growing interconnectedness of the world,"[141] republished an article from The Straits Times,[30] with a commentary.

The emergence of foreign stars on Korean television programs draws international attention to South Korea’s entertainment and media industries.

[143] Also in December, Seoul Mayor Park Won-soon was "inspired by popular TV show Abnormal Summit on cable channel JTBC" and scheduled an "informal round-table meeting" with ten foreign residents for February 2015.

[144] Called a "Seoul-style Non-summit", the forum was planned for international residents to share their experiences, including inconveniences in daily living in Seoul, in an open and "frank" talk with the Mayor.

[146][147][148] Also in April, Tyler Rasch and Ilya Belyakov, Honorary Culture Sharing Ambassadors of the Korea Foundation, attended a ceremony for the new "Koreans and Foreigners Together" program.

[153] On November 29, Quintart, Belyakov and Shakya participated in the "Global Friendship Festival" organized by a foreign students' group at KBS Sports World.

[156] On December 14, the Asia-Pacific Centre of Education for International Understanding (APCEIU) published interviews of Shakya and Varsakopoulos about cultural diversity and their respective countries.

[159] In the article, and in a follow-up Internet show with more cast members and JoongAng Ilbo editorial staff, Rashad El-baz discussed the Islam religion, terrorism and Islamophobia.

[161][162] On January 12, representatives Guillaume Patry, Alberto Mondi, Zhang Yuan and Tyler Rasch, along with Psy and violinist Clara-Jumi Kang, received the Corea Image Communication Institute awards,[163][164] for "introducing Korean culture to the rest of the world through a unique perspective and interesting debate.

[174][175] Also on that date, intern Tetto, a member of the Korea Legacy Committee that helps poverty-stricken elderly Koreans, participated in their White Day fund-raiser for contributions to the Seoul Senior Welfare Center.

[180] In May, present and former cast members Patry, Rasch, Deiana, Johnsen, Williams, Terada and Okyere appeared at a premiere event for an upcoming movie Canola;[181] On July 12, Mondi and Tetto spoke on a panel "Korean Wave 3.0" along with Professor Seo Kyoung-duk and comedian Seo Kyung-seok, at the 8th World Korean Educators Conference hosted by the King Sejong Institute at the National Museum of Korea.