The fourth and final season of the television series Hannah Montana began airing on Disney Channel on July 11, 2010. In this season, Mitchel Musso's character Oliver Oken becomes a recurring character, and is no longer in the main cast due to Musso preparing for the Disney XD series Pair of Kings. This is the only season of the show to be broadcast in high-definition. The season ended on January 16, 2011.

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