Season 4 – North Korea
Season 5 – South Korea
Season 6 – North Korea VS South Korea
These two Korean counties have been a great rival to each other since the formation of North Korea and South Korea in the year 1948. Both these countries were earlier part of Korea which was under the Japanese rule. Since the year 1948 in which the both countries were formed, they have been fighting with each other on various issues. Both these countries have different opinion on various matters and this has been one of the most contradicting things that have dented their relationship.