Watch Party - Theater Anywhere app for iPhone and iPad

Watch Party lets you watch and listen to YouTube videos with friends without having to share a screen or be in the same location. It also lets you message the group.

You might need Watch party if:
-youre on the train with a friend and want to share a music video
-your friends want to watch YouTube videos without commuting to the same place

To use the app:

Create a Watch Party link by searching for a video and tapping it.
Share the link with a pre-made Message.
Start watching.

-or-

Get a Message with a Watch Party link.
Tap the link.