![Community Season1 Episode20](http://4.bp.blogspot.com/_oIxUOZmzXmQ/S6xAYYuwN1I/AAAAAAAAAnI/zUESmSbuMQI/s400/community.jpg)
Watch Community Season1 Episode20 "The Science of Illusion" online free streaming video. Pierce is willing to do whatever it takes to reach a new level of ascension in his Buddhist church; Britta tries to shake her reputation as a buzzkill, which results in a prank gone wrong.