I did this thread on reddit awhile back it the results were wonderful. A good way to find videos you've seen but don't remember the link or what it was called is to go here: https://www.youtube.com/feed/history This will be your "watch history" (you can even search it) ... and you can pick out the ones worth mentioning.
Here is my list:
Rethinking Thinking: How Intelligent Are Other Animals? (has a few good sections on ants)