NOAA is on the final leg of their 2016 Marianas Trench Marine Monument exploration. Every day they have a live broadcast of the mission with some wonderfully intelligent scientists providing commentary on what the ROV cameras are seeing.
You can watch the livestream here: https://youtu.be/cKETkYer8Pc
And learn more about their mission here: http://oceanexplorer.noaa.gov/okeanos/explorations/ex1605/welcome.html
Yesterday I saw a fish that has never been seen before. It is much better than watching Shark Week, and I encourage everyone to check it out before the mission concludes on July 10.