James Cameron says he must find a way to produce Avatar cheaper in order to continue franchise.

James Cameron discusses the financial challenges of producing Avatar 4 and 5, emphasizing the need to find a cheaper way to make the special effects-heavy films. Despite the high costs, the Avatar franchise has been highly successful at the box office, with Avatar 1 remaining the highest-grossing film of all time. However, the success of Avatar 3 is crucial for securing the greenlight for future sequels.