The business announced on Wednesday that it would buy the remaining 33% from media behemoth Comcast.
Disney would then have complete control over the streaming service and be able to integrate it with its own Disney+ network.
Disney and other streamers have been engaged in combat as earnings have decreased.
It will probably cost Disney $8.6 billion (£7 billion) to complete its takeover of Hulu, the company said in a statement.
However, it added that in an effort to increase subscriber counts, the action would “further Disney’s streaming objectives”.
The massive entertainment company already offers Hulu in bundles with its ESPN+ andDisney+ platforms in the US.
Some Hulu content is already accessible in the UK through the Disney+ app, including