The Jonas Brothers Cap off Their 'Late Late Show' Takeover With 'Carpool Karaoke'

The "Sucker" singers discuss their come back and are "Burnin' Up" in the passenger seat
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"When things ended it wasn't the best" explains Nick Jonas from the backseat of Carpool Karaoke. "We started saying, there was a magic when we were together that we would all love to feel again."

The Jonas Brothers dug into their upcoming documentary, the process of "forced therapy", and a few JoBro classics with James Corden on the last episode of their Late Late Show takeover Thursday night. The trio has been a part of each night's show since the release of their comeback single "Sucker" last week. Since then they have been kidnapped and have played a round of "Spill Your Guts or Fill Your Guts", all on the way to the big debut of their Carpool Karaoke segment.

"I broke the band up, but I got them back together as well" Nick explains as they all discuss the therapy sessions they went through before their reformation. "It's true. It's a full redemptive story" adds Kevin as they all laugh.

The three also take part in a lie detector test, asking about annoying brothers and the many wedding of Nick and Priyanka Chopra. "Was there a point during your many weddings that you thought, I'm done with these weddings?" asks Corden.

"Yes" answers Nick. "It was when I looked at the bill."

Hear them talk about socks, purity rings, and more above. "Sucker" is the Jonas Brothers first song in six years, and is now available everywhere.