The Challenge - Season 21 Episode 1 -

Twenty-eight competitors arrived in the Costa Rican jungle and were surprised to be greeted by host T.J. Lavin, who had suffered an injury and was in an induced coma after a BMX riding accident. The challengers quickly learned that they would be competing with their worst enemy as their partner. The rookies dominate the "High Dive" mission, while a surprise last-place team is sent to the Jungle. Adam R. and Ty have a blow-up that leads to a challenger being sent home early.