What is Farscape about?

In addition to trying to survive in the Uncharted Territories, the crew of Moya must now concern themselves with eluding Scorpius, discovering the truth about the Ancients, and tracking down the renegade Crais and Talyn. This is further complicated when the neurochip implanted into Crichton's brain to extract the wormhole knowledge he possesses begins to manifest itself as hallucinations of Scorpius (whom he later names 'Harvey' in reference to the imaginary rabbit in the film of the same name starring James Stewart).