"We need to do something special, spectacular, you know subtle," he told host Jennifer Hudson. "Maybe come in from the roof, I don't know."
Before deciding to take to the dance floor, Hough admitted the pair planned to relax during their wedding.
The Hairspray Live! star recalled, "At first, you know we dance a lot, I think it might be time for other people to perform for us, right? I'm like, 'Hey, you dance for us. No, you dance.' We're gonna sit back."
In June, Hough told PEOPLE that he was enlisting performers for their big day.
"I'm not going to name names right now, but I've already asked a few people to perform at the wedding and they've already committed," Hough said at 4th Annual Critics Choice Real TV Awards. "So it's going to be a full-on festival — I'm very excited about it."
During his interview on The Jennifer Hudson Show, Hough admitted that he and Erbert bonded over their love of adventure.
"We do some crazy stuff. We do some adventures. We love freediving, where you gotta go like 30 [or] 40 feet down," he shared as a photo of a couple underwater was shown on screen. "I think we're 40 feet down underwater holding our breath. A lot of water up the nose but worth a good picture."
He added, "That's a moment, man."
Hough shared that he was previously "terrified of the water" but learned to love it.
"I used to hate the water, especially the ocean. And then one year — I call it my year of water — I went to Tonga, swam with humpback whales, swam with dolphins," he said. "I was living in the water for months. I fell in love with it, I really did."
"I think you're afraid of the unknown, right? You're afraid of what you don't understand," he added. "So once I understood the ocean, I understood the creatures in there, I loved it. It's amazing."
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Dancing with the Stars airs live at 8 p.m. ET/5 p.m. PT Mondays on Disney+.