Not to trash Drama, but Cane Toads: The Conquest is so much more versatile, equally able to play as comedy, horror, kids' entertainment, nature & human somethingorother, and thriller. And when you realise that male cane toads have drives that go beyond life itself, then we get to the classification that lives toadlike under the labelled shelves, in the dark. Really truly, in one town hereabouts.
But for Drama and everything else, there is nothing that has topped the first flick in this series:
Cane Toads: An Unnatural History (that's Dairy Queen! — and I don't mean the little girl)