In Winter 2019 I spent some quality time with a giant telepathic octopus named Old Knight for The OA Season 2 Episode 4.
OA Breakdown Reel
A breakdown reel showing the vfx for the octopus sequence.
Old Knight
Many very skilled artists worked very hard to bring Old Knight and his tank full of water to life in this disturbing scene from The OA Season 2 Episode 4: SYZYGY