Both are extremely funny, full with humors, laughter, information. People can learn a lot of new things while watching these shows.
PS- watch this when you are sad.

both movies are inspiring, kind of healing, heartwarming. While watching these movies, I felt like I was on an emotional roller coaster.,felt happy, sad and heartbroken, and then smiled again and again.
both has lighthearted and realistic story line.

both are about survival, apocalypses, action, violence,suspense and military, just one is about extraterrestrial beings and another is a side effect from a medicine which makes people blood thirsty.

Both have military, action and suspense genres
one is about a mission to search for mutant beings who have been exposed to radioactive radiation and another is about extraterrestrial beings

both shows are about epidemic, and about the leads trying their best to survive. Both are science frictional movies

Both are Saeguk dramas. Comedy is the main priority. I promise you will be fixed to the screen while watching Tale of nokdu, and will end up bursting with laughter with each scene . The plot is quite similar with Mr. Queen- (a man disguises as a woman). Has great casts and good OSTs.