080423 Mnet Star Bulkkeunsong Relay

Source: 501dong.com

This is funny eventhough I dont understand it plus the fact that most of the responses from this video has this Korean version of roflmao “ㅋㅋㅋㅋ”
Ok, this is how I understand the show. Please please correct me if i am wrong!
Part 1: Interview about their life in Japan. They get to sing a bit of Kokoro and asked JM to speak Nihonggo.
Part 2: They played a game testing each members temper.They would say things about the member, if the member reacts to what they say, red light signal will turn on. As punishment, they have to wear this funny glasses etc. See screencap above.
Part 3. They have to guess the title of those really old songs (???)
Part 4. They recorded an old song with Kyu and Baby doing these comic dances.