Ultimately, the trio did get serious long enough to help coach Team Nick's performers, Roderick Chambers and Joanna Serenko, through their battle duet of Billie Eilish's "When the Party's Over."
"We're thrilled," Joe said. "We're happy to help Nick through this process and hopefully pass on some knowledge and good information and wisdom to these artists so they can go out there and deliver great performances."
They certainly did. While Nick picked Roderick to remain on his team following the Battle, Joanna's time on The Voice continues, as she was stolen by fellow coach John Legend to join his team following the performance.
A first-time judge this season, Nick detailed his strategy for persuading hopeful talents to join his team ahead of the season 18 premiere.
"All of the coaches have their pitch tactics locked in," Jonas noted in ET's exclusive preview clip. "What seems to be working for me is talking to the artist as a teammate and not as a coach... I'm saying, let's work on this together."
The "Sucker" singer explained that the strategy is one he learned from years of performing with his brothers. "We don't view each other as coaches or any kind of alpha situation," he said.