"The bowling green's gone brown. The pub's run out of beer. Camp Mother's hydrangeas are dying. And Kenny Boy Moller's had to put his sheep farm on the market," she explained in a promotional video for the flick.
"It's going to make you laugh. It might make you cry - and it will definitely make you think," she added.
The twins' long-time producer Arani Cuthbert it would be a great New Zealand film, "which will celebrate who we are, make us laugh and help save our water".
She added, "The Topp Twins have always taken a stand - and this will be their biggest one yet."
The 2009 documentary The Topp Twins: Untouchable Girls is the top-grossing documentary ever released in New Zealand, raking in $2 million.