Planet of The Elephants?
they may start off as ordinary family pets, well, as ordinary as an elephant could be, but give them a few years and there'll be an underground army of discontented elephants ready to rise up against their human keepers in a plethora of pachyderm proletarian protest.
Thankfully the Broon govt has had the foresight to avert a terrible future dominated by brutal elephants forcing humans to haul heavy logs through forests and to slave in peanut mines.
Paris as my icon 'cos she said that mine was like an elephant's trunk. In the dream I had at 7 this morning.