Look up theory of everything in Wiktionary, the free dictionary.

A theory of everything is a hypothetical physical theory that would explain all known physical phenomena.

Theory of everything may also refer to:

• Theory of everything (philosophy), a hypothetical all-encompassing philosophical explanation of nature or reality
• A Theory of Everything, a book by Ken Wilber dealing with his "integral theory"

• "The Theory of Everything" (CSI), an episode of CSI: Crime Scene Investigation
• The Theory of Everything (2006 film), a TV film
• The Theory of Everything (2014 film), a biographical film about Stephen and Jane Hawking
• The Theory of Everything (2023 film), a mystery thriller film

• Theory of Everything (album), 2010 album by Children Collide
• The Theory of Everything (Ayreon album), 2013
• The Theory of Everything (Life on Planet 9 album), 2014

• Theory of Everything (podcast), a radio show and then podcast by Benjamen Walker
• Toe (disambiguation)

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