Tonight, Biden will give a speech where he reviews his "accomplishments" and outlines his vision for the future. Topics will include his jobs/infrastructure plan, immigration, police reform, etc.
Senator Tim Scott will deliver the GOP response where he will thank Trump for Operation Warpspeed and low unemployment for minorities. He will demand that schools be reopened as well.
You can watch any stream you want here:
https://www.youtube.com/results?search_query=joint+session