Happy Sunday
Happy Sunday () is a Korean reality-variety show shown on the KBS2 network, which competes directly against MBC's "Sunday Night" and SBS's "Good Sunday" line-up. Although it has been broadcast since 2003, its line-up of shows has frequently changed, with a complete revamp occurring in Spring of 2007. At that time, three new shows were introduced – "Are You Ready", "High-Five", and "Immortal Songs". Due to its poor reception, "Are You Ready" quickly evolved into "1 Night 2 Days", with most of its cast intact. In late November 2008, "Happy Sunday" had a revamp of its shows keeping "1 Night 2 Days" as the second segment and bringing back "Immortal Songs" which was previously liked by viewers. However, in late March, "Immortal Songs" ended once again and was replaced with "Qualifications of Men", making "Happy Sunday" an all-male cast, with a total of 14 members. In 2013, "Qualifications of Men" was cancelled and replaced with "Star Family Show Mamma Mia". On November 3, 2013 "Star Family Show Mamma Mia" was moved to Wednesday nights and replaced with "The Return of Superman".

Out of the three Sunday night shows, KBS's "Happy Sunday", MBC's "Sunday Sunday Night" and SBS's "Good Sunday", only KBS has kept its program as a "whole program." Both MBC and SBS has divided their Sunday night show into two parts, the first segment as one program and the second as another. Both MBC and SBS have done this to record better TV ratings, which is important in South Korea media to prove the show's popularity. The key variety programs which garner Sunday night ratings and are usually compared to one another are "KBS Happy Sunday's" "1 Night 2 Days", "MBC Sunday Sunday Night's" "Real Men", and "SBS Good Sunday's" "Running Man".
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reality
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variety show
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KBS2
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MBC
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Sunday Night
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SBS
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Good Sunday
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1 Night 2 Days
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1 Night 2 Days
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Qualifications of Men
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The Return of Superman
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KBS
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MBC
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Sunday Sunday Night
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SBS
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Good Sunday
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South Korea
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1 Night 2 Days
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Real Men
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Running Man
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Happy Sunday
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Happy Sunday
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Happy Sunday
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Happy Sunday
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Happy Sunday
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2003
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2007-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
2007
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2008-11-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
November 2008
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2013-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
2013
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2013-11-03T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
November 3, 2013
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