Plot: Actor Ji Jinhee and Koo Hyesun, model and actor Ahn Jaehyeon, ZE:A singer Kwanghee and AOA's Seolhyun are in the Martian Special for their unique obsessions. Jinhee is obsessed with handicrafts, Hyesun is obsessed with her pets, Jaehyeon is obsessed with cooking, Kwanghee is obsessed with maintenance and Seolhyun is obsessed with eating