STEP 1: Open your Workspace. If you do not have the link, you can find it from your dashboard: https://rocketium.com/w/
STEP 2: Look for the List your video is currently in
STEP 3: Drag the video and drop it in the list you want to move it to
STEP 3: Click the video you want to move, and select the List name from the drop down "Move to" in the top right corner.
All the lists in this Workspace will be available in this drop down.