The DWTS partners are doing a Dirty Dancing routine on next Monday's episode, and decided to recreate the iconic "water lift" moment from the movie -- but they encountered some unexpected friends.
According to an eyewitness, the local ducks in the lake at Franklin Canyon Park would not leave the two alone, causing Bindi and Derek to laugh. At one point during their three-hour rehearsal at the park, Derek said Bindi -- who got along great -- was his "Baby," as she is currently the same age as the character in the movie.
It's been an emotional season for Irwin, who earlier in October, had memories of her father during "Most Memorable Year" week.
"It’s been nine years and I’ve never really dwelled on that point when he did pass away," Irwin told Hough during their week of rehearsals. "I think that I’m ready to kind of tell that story."
"Steve and Bindi were just absolutely inseparable," Bindi’s mom Terri said of her late husband. "I’d never met anyone bigger, tougher, stronger, and yet more sweet and sensitive. Especially when it came to Bindi."
"I'm a lot more interested in wildlife at the moment," he told ET. "I would much rather go over and hug a crocodile."
"In Australia, we literally live inside of a zoo," he said. "So, we've grown up in a zoo and every morning we wake up to the sound of tigers roaring, and lemurs scratching. And it's such an incredible experience."