Season 1- Episode X: The Blue-Ringed Octopus

Sources: 

https://oceana.org/marine-life/cephalopods-crustaceans-other-shellfish/southern-blue-ringed-octopus

https://marinebio.org/species/blue-ringed-octopuses/hapalochlaena-maculosa/

http://www.aquariumofpacific.org/onlinelearningcenter/species/greater_blue_ringed_octopus1

http://bioweb.uwlax.edu/bio203/s2013/koehn_kate/reproduction.htm

https://indianapublicmedia.org/amomentofscience/octopuses-smart.php

http://www.thecephalopodpage.org/bluering5.php