In that time, Spurlock gained 12kg against the advice of his doctors.
Some 250 pieces of vintage animation work from classic Walt Disney films have been discovered at a Japanese university, the US entertainment company said last week.
The huge collection features work from Flowers and Trees, the world's oldest color animation, which was released in 1932.
It also includes original painted work, drawings and background pictures from movies such as Sleeping Beauty, Fantasia, Bambi and Cinderella.
"We are truly surprised that a collection of this size has been found," Tokyo-based Disney spokeswoman Erika Nakajima said of the discovery at the faculty of engineering at Chiba University near Tokyo.
The collection travelled to Japan in the early 1960s for exhibits at department stores and museums.
Disney donated the collection to the National Museum of Modern Art in Tokyo, which later gave it to an animation scholar at Chiba University for education and research use.
The value of the collection came to light recently, when the school planned to digitize the images and contacted Disney about copyright issues.
"We were keeping them as very important items. We consi-dered it so important that not many people knew about this," said Hiroyuki Kobayashi, professor at the Department of Information and Image Science at the university.
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