- Both are apocalyptic dramas
- Both are about alien type of species invading earth
- They both show how humans fight to survive
- In both dramas the aliens look quite similar, they resemble a squid with long tentacles
- Both have action scenes
- Both are about alien type of species invading earth
- They both show how humans fight to survive
- In both dramas the aliens look quite similar, they resemble a squid with long tentacles
- Both have action scenes