Kevin, Nick and Joe Jonas

What do Joe and Kevin Jonas remember most fondly about filming Camp Rock 2? Laughing when their brother Nick's pants accidentally caught on fire.

VIDEO: Demi Lovato says style separates her and Camp Rock 2 character

In the videos below, Joe, Kevin, Nick and "Bonus Jonas" Frankie tell us about those burning trousers and their other favorite moments from making the Disney original movie Camp Rock 2: The Final Jam. Joe, Kevin and Nick reprise their roles as the singing trio Connect 3 and youngest brother Frankie joins the sequel as a junior camper.

Camp Rock 2 premieres Friday at 8/7c on the Disney Channel.

See photos from Camp Rock 2