The Big Question
- Genre: Documentary
- Total Seasons: 1
- Total Episodes: 5
- Status: Returning Series
- Network: Discovery
The Big Question is a five-part science documentary television series broadcast in the United Kingdom on the Five channel, beginning January 2004 and continuing into 2005. In the North American market, it has been re-released on the Discovery Science network. Each half-hour episode is hosted by a renowned authority, and examines the following provocative questions: ⁕Part 1 - "How Did the Universe Begin?" presented by Stephen Hawking ⁕Part 2 - "How Did Life Begin?" presented by Harry Kroto ⁕Part 3 - "Why Are We Here?" presented by Richard Dawkins ⁕Part 4 - "Why Am I Me?" presented by Susan Greenfield ⁕Part 5 - "How Will It All End?" presented by Ian Stewart The series attracted controversy and criticism from creationists, as well as praise from other reviewers.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 2007-09-09 | 15 min |
| Season 1 | Episode 2 | Episode 02 | 2007-09-16 | 60 min |
| Season 1 | Episode 3 | Episode 03 | 2007-09-23 | 60 min |
| Season 1 | Episode 4 | Episode 04 | 2007-10-07 | 60 min |
| Season 1 | Episode 5 | Episode 05 | 2007-10-14 | 60 min |
| Season 1 | Episode 6 | Episode 06 | 2007-10-21 | 60 min |
| Season 4 | Episode 15 | Is the Bible still relevant today? | 2011-05-08 | 60 min |
| Season 4 | Episode 17 | Is Religion On Its Way Out? | 2005-05-22 | 60 min |
| Season 4 | Episode 18 | Does Heaven Exist? | 2005-05-29 | 60 min |
| Season 6 | Episode 1 | Episode 1 | 2013-01-06 | 60 min |
| Season 6 | Episode 2 | Episode 2 | 2013-01-13 | 60 min |
| Season 6 | Episode 3 | Episode 3 | 2013-01-20 | 60 min |
| Season 6 | Episode 4 | Episode 4 | 2013-01-27 | 60 min |
| Season 6 | Episode 5 | Episode 5 | 2013-02-03 | 60 min |
| Season 6 | Episode 6 | Episode 6 | 2013-02-10 | 60 min |
| Season 6 | Episode 7 | Episode 7 | 2013-02-17 | 60 min |
| Season 6 | Episode 8 | Episode 8 | 2013-02-24 | 60 min |
| Season 6 | Episode 9 | Episode 9 | 2013-03-02 | 60 min |
| Season 6 | Episode 10 | Episode 10 | 2013-03-10 | 60 min |
| Season 6 | Episode 11 | Episode 11 | 2013-03-17 | 60 min |
| Season 6 | Episode 12 | Episode 12 | 2013-03-24 | 60 min |
| Season 6 | Episode 13 | Episode 13 | 2013-04-07 | 60 min |
| Season 6 | Episode 14 | Episode 14 | 2013-04-14 | 60 min |
| Season 6 | Episode 15 | Episode 15 | 2013-04-28 | 60 min |
| Season 6 | Episode 16 | Episode 16 | 2014-05-04 | 60 min |
| Season 9 | Episode 1 | Episode 1 | 2016-01-10 | 60 min |
| Season 9 | Episode 2 | Episode 2 | 2016-01-17 | 60 min |
| Season 9 | Episode 3 | Episode 3 | 2016-01-24 | 60 min |
| Season 9 | Episode 4 | Episode 4 | 2016-01-31 | 60 min |
| Season 9 | Episode 5 | Episode 5 | 2016-02-07 | 60 min |
| Season 9 | Episode 6 | Episode 6 | 2016-02-14 | 60 min |
| Season 9 | Episode 7 | Episode 7 | 2016-02-21 | 60 min |
| Season 9 | Episode 8 | Episode 8 | 2016-02-28 | 60 min |
| Season 9 | Episode 9 | Episode 9 | 2016-03-06 | 60 min |
| Season 9 | Episode 10 | Episode 10 | 2016-03-13 | 60 min |
| Season 9 | Episode 11 | Episode 11 | 2016-03-20 | 60 min |
| Season 9 | Episode 12 | Episode 12 | 2016-04-03 | 60 min |
| Season 9 | Episode 13 | Episode 13 | 2016-04-10 | 60 min |
| Season 9 | Episode 14 | Episode 14 | 2016-04-17 | 60 min |
| Season 9 | Episode 15 | Episode 15 | 2016-05-01 | 60 min |
| Season 9 | Episode 16 | Episode 16 | 2016-05-08 | 60 min |
| Season 9 | Episode 17 | Episode 17 | 2016-05-15 | 60 min |
| Season 9 | Episode 18 | Episode 18 | 2016-05-29 | 60 min |
| Season 9 | Episode 19 | Episode 19 | 2016-06-05 | 60 min |
| Season 9 | Episode 20 | 12/06/2016 | 2016-06-12 | 60 min |
| Season 10 | Episode 1 | Episode 1 | 2017-01-08 | 60 min |
| Season 10 | Episode 2 | Episode 2 | 2017-01-15 | 60 min |
| Season 10 | Episode 3 | Episode 3 | 2017-01-22 | 60 min |
| Season 10 | Episode 4 | Episode 4 | 2017-01-29 | 60 min |
| Season 10 | Episode 5 | Episode 5 | 2017-02-05 | 60 min |
| Season 10 | Episode 6 | Episode 6 | 2017-02-12 | 60 min |
| Season 10 | Episode 7 | Episode 7 | 2017-02-19 | 60 min |
| Season 10 | Episode 8 | Episode 8 | 2017-02-26 | 60 min |
| Season 10 | Episode 9 | Episode 9 | 2017-03-05 | 60 min |
| Season 10 | Episode 10 | Episode 10 | 2017-03-12 | 60 min |
| Season 10 | Episode 11 | Episode 11 | 2017-03-19 | 60 min |
| Season 10 | Episode 12 | Episode 12 | 2017-03-26 | 60 min |
| Season 10 | Episode 13 | Episode 13 | 2017-04-02 | 60 min |
| Season 10 | Episode 14 | Episode 14 | 2017-04-09 | 60 min |
| Season 10 | Episode 15 | Episode 15 | 2017-04-30 | 60 min |
| Season 10 | Episode 16 | Episode 16 | 2017-05-07 | 60 min |
| Season 10 | Episode 17 | Episode 17 | 2017-05-14 | 60 min |
| Season 10 | Episode 18 | Episode 18 | 2017-05-21 | 60 min |
| Season 10 | Episode 19 | Episode 19 | 2017-05-28 | 60 min |
| Season 10 | Episode 20 | Episode 20 | 2017-06-11 | 60 min |
| Season 11 | Episode 1 | Episode 1 | 2018-01-07 | 60 min |
| Season 11 | Episode 2 | Episode 2 | 2018-01-14 | 60 min |
| Season 11 | Episode 3 | Episode 3 | 2018-01-21 | 60 min |
| Season 11 | Episode 4 | Episode 4 | 2018-01-28 | 60 min |
| Season 11 | Episode 5 | Episode 5 | 2018-02-04 | 60 min |
| Season 11 | Episode 6 | Episode 6 | 2018-02-11 | 60 min |
| Season 11 | Episode 7 | Episode 7 | 2018-02-18 | 60 min |
| Season 11 | Episode 8 | Episode 8 | 2018-02-25 | 60 min |
| Season 11 | Episode 9 | Episode 9 | 2018-03-04 | 60 min |
| Season 11 | Episode 10 | Episode 10 | 2018-03-11 | 60 min |
| Season 11 | Episode 11 | Episode 11 | 2018-03-18 | 60 min |
| Season 11 | Episode 12 | Episode 12 | 2018-03-25 | 60 min |
| Season 11 | Episode 13 | Episode 13 | 2018-04-08 | 60 min |
| Season 11 | Episode 14 | Episode 14 | 2018-04-15 | 60 min |
| Season 11 | Episode 15 | Episode 15 | 2018-04-29 | 60 min |
| Season 11 | Episode 16 | Episode 16 | 2018-05-06 | 60 min |
| Season 11 | Episode 17 | Episode 17 | 2018-05-13 | 60 min |
| Season 11 | Episode 18 | Episode 18 | 2018-05-27 | 60 min |
| Season 11 | Episode 19 | Episode 19 | 2018-06-10 | 60 min |
| Season 12 | Episode 1 | Episode 1 | 2019-01-06 | 60 min |
| Season 12 | Episode 2 | Episode 2 | 2019-01-13 | 60 min |
| Season 12 | Episode 3 | Episode 3 | 2019-01-20 | 60 min |
| Season 12 | Episode 4 | Episode 4 | 2019-01-27 | 60 min |
| Season 12 | Episode 5 | Episode 5 | 2019-02-03 | 60 min |
| Season 12 | Episode 6 | Episode 6 | 2019-02-10 | 60 min |
| Season 12 | Episode 7 | Episode 7 | 2019-02-17 | 60 min |
| Season 12 | Episode 8 | Episode 8 | 2019-02-24 | 60 min |
| Season 12 | Episode 9 | Episode 9 | 2019-03-03 | 60 min |
| Season 12 | Episode 10 | Episode 10 | 2019-03-10 | 60 min |
| Season 13 | Episode 1 | Episode 1 | 2020-02-02 | 60 min |
| Season 13 | Episode 2 | Episode 2 | 2020-02-09 | 60 min |
| Season 13 | Episode 3 | Episode 3 | 2020-02-16 | 60 min |
| Season 13 | Episode 4 | Episode 4 | 2020-02-23 | 60 min |
| Season 13 | Episode 5 | Episode 5 | 2020-03-01 | 60 min |
| Season 13 | Episode 6 | Episode 6 | 2020-03-08 | 60 min |
| Season 13 | Episode 7 | Episode 7 | 2020-03-15 | 60 min |
| Season 13 | Episode 8 | Episode 8 | 2020-03-22 | 60 min |
| Season 14 | Episode 1 | Episode 1 | 2021-01-17 | 60 min |
| Season 14 | Episode 2 | Episode 2 | 2021-01-24 | 60 min |