Complex sentence: ReQuest also appeared on Season 6 of "America's Best Dance Crew", being the second international dance crew to feature on the American show (after Blueprint Cru from Canada in 2010), and the first crew from outside North America.
Split into simpler sentences: ReQuest also appeared on Season 6 of "America's Best Dance Crew". They were the second international dance crew to feature on the American show (after Blueprint Cru from Canada in 2010), and the first crew from outside North America.