There's a four-DVD set of wild animal videos--predator/prey, hunter/hunted stuff. S'okay, I've got two of those sets, they're nice enough.
What stopped me was the caption at the bottom:
Either the heroes live...Or they die!
The same could be said of advertising account executives, hairdressers, rotifers, and my neighbor's bougenvillas. It might not apply to certain single-cell organisms, but that's dodgy.