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Cast
Episode Guide
- 1. Aliens Apr 25, 2010
- Searching for alien life, what aliens might look like and the odds of making contact.
- 2. Time Travel Apr 25, 2010
- Stephen Hawking examines whether time travel is possible.
- 3. The Story of Everything May 2, 2010
- The universe, from its beginning to how it is likely to end.