The mining company destroys the rainforest and shows no respect for its inhabitants, forcing a fightback.
Paraplegic Sully climbs out of his wheelchair and tries out his Na'vi avatar body for the first time.
As Caden spirals downwards, Kathryn learns the dark secrets of Max's media empire and has a fateful decision to make.
It's the annual quiz night. Will Brent and his mate Finchy (from the University of Life) be able to beat the educated young pretenders, Tim and Ricky?