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:
Informative
Feeding Ants - fresh or frozen ?
Winter is Coming For These Argentine Ant Invaders | Deep Look
The Double-Crossing Ants to Whom Friendship Means Nothing | Deep Look
Why Fungus-Farming Ants Tolerate Parasites That Eat Their Crops
Inside the ant lab: Mutants and social genes
Rethinking Thinking: How Intelligent Are Other Animals? (has a few good sections on ants)
How to care for Pavement Ants (Tertramorium) | Ant Keeping Turtorial
Funny
Inside the ant colony - Deborah M. Gordon
Ant colony can write messages thanks to swarm intelligence!!
Strange