Hulu Watch Party: What is it & how to use it
chain icon. Copy the link and send it to other participants so they can join. If you plan to host a Hulu Watch Party for a specific episode of a TV series, you can also select Watch Party from the Context Menu icon located on the episode page. And if you want to join a Hulu Watch Party started by someone else, use the invitation link you received from the Hulu Watch Party host. What you'll need to get started Hulu Watch Parties are currently limited to eight Hulu subscribers, including the host. If potential participants share the same Hulu account, they can still join the Hulu Watch Party ...
Source: androidcentral.com