Here is a bit more information on why they think there might be something to the alien theory:

The creatures have a hugely complicated genome sequence, and have more protein-coding genes than even humans.

Octopus DNA is highly rearranged – like cards shuffled and reshuffled in a pack – containing numerous so-called “jumping genes” that can leap around the genome.

This is an excerpt about the giant squid video you can watch below!

This is a spliced video of the key squid footage from Discovery Channel’s “Monster Squid” broadcast on January 27, 2013. Thank you Discovery Channel for broadcasting this program. This post is not for profit! I just want to share the joy for all those Ceph-heads out there.

thanks to alphr.com for the great info

thanks to Elias Levy for the pic