EXCLUSIVE: The New Kids on the Block Preview All the Shirtless Mayhem of 'Rock This Boat' Season 2

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New Kids on the Block dished to ET's Jennifer Peros about the non-stop party that is their reality series Rock This Boat.

The group just kicked off season two of their Pop TV series and this time around, there's much more of the guys mingling with their die-hard fans.

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"We just really went all out to give our side of the cruise," Donnie Wahlberg explained. "First season was the fans' experience. Now we wanted to really share what it's like for us."

What it's like for them includes a lot of shirtless moments. Donnie joked that members of the group trade off staying in shape so that they don't all have to be shirtless for every stop on their tours.

"Sometimes we'll hand the baton," he said with a laugh. "Joey will go shirtless one tour and we'll all eat donuts."

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Donnie's wife, Jenny McCarthy, was the first NKOTB spouse to be a part of the cruise and she got a firsthand look at the rabid female fans all vying for her husband's attention.

"She was awesome because she knows what the cruise means to the fans and to us," Donnie said. "It's the coolest thing we do, and it's very special. I'm glad she got to see it and be a part of it."

Another family member who tagged along was Joey McIntyre's 8-year-old son, Griffin. While Joey's firstborn has hopped on stage with his dad in the past, he doesn't plan on following in his father's footsteps career-wise.

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"I wanna be a soccer player or a football player," Griffin told ET.

See more of NKOTB's adventures at sea on Rock This Boat, Wednesdays at 8P/7c on Pop TV.