The contestants take part in a medically themed challenge. When a deadly virus breaks out, things go critical on set. It all leads up to someone's "acting skills" that gets the reward.
The castmates compete in a horror themed trilogy challenge. Someone's conscience begins to bother them about their actions, and they end up removing themselves from the competition.
It's a disastrous time for the castmates, with earthquakes, floods, and lava spills. The disasters get worse as somebody gets seriously injured and the others find themselves in deep water.
In a sports themed challenge, the contestants find themselves boxing, playing badminton, wrestling in a ball pit, cheer-leading, and even playing trampoline basketball.
After the final challenge ends in a tie, the cast gets together for one last Aftermath. In the end, only one will emerge as the Total Drama second season champion.