The episode is best known for its dramatic conclusion, which TV Tropes characterizes as a "downer ending":
CJ finishes her volunteer work early and decides to surprise Mordecai at the party. [S6E20] 1000th Chopper Flight Party
CJ encourages Mordecai to go anyway, trusting him and asking him to bring her back a piece of cake. The episode is best known for its dramatic
Mordecai is hesitant to attend because his girlfriend, CJ, cannot make it due to a river-cleaning volunteer commitment. He fears the awkwardness of being at Margaret’s parents' house without CJ, especially since he and Margaret have a complicated history. He fears the awkwardness of being at Margaret’s
" 1000th Chopper Flight Party " is the of the animated series Regular Show , which originally aired on March 12, 2015 . The episode is a critical turning point in the series' ongoing romantic drama involving Mordecai, CJ, and Margaret. Plot Overview
CJ’s jealousy triggers her "storm cloud" powers, nearly causing the helicopter to crash. Though the misunderstanding is eventually cleared up and Frank and Denise (Margaret's mom) are saved, the emotional damage is done. Overcome with guilt for her reaction, CJ flees the party in tears. Key Characters & Appearances 1000th Chopper Flight Party | Regular Show Wiki | Fandom
The episode centers on an invitation sent to Mordecai and Rigby for a party celebrating the of Frank Smith (Margaret’s father) as the pilot of Chopper 6.