Nope, it's not from the latest two seasons. Another hint would be that the tentacle marks were caused by octopuses.
EDIT: I believe the correct plural is octopi.
What about now?
Wrong episode but they are tentacle marks.
Email is a federated protocol.
Duh, it's because more and more code is ran remotely. Wait...
Dingdingdingdingding. I applaud your persistence.