Who Do You Think You Are? (2008)
- Genre: Documentary
- First Air Date: 2008-09-15
- Last Air Date: 2009-10-19
- Total Seasons: 2
- Total Episodes: 12
- Status: Ended
- Episode Runtime: 60 min.
- Network: RTÉ One
Popular Irish personalities trace their roots, and this journey through generations of ordinary lives reveals extraordinary stories.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Sarah Jessica Parker | 2010-03-05 | 60 min |
| Season 1 | Episode 2 | Emmitt Smith | 2010-03-12 | 60 min |
| Season 1 | Episode 3 | Lisa Kudrow | 2010-03-19 | 60 min |
| Season 1 | Episode 4 | Matthew Broderick | 2010-03-26 | 60 min |
| Season 1 | Episode 5 | Brooke Shields | 2010-04-02 | 60 min |
| Season 1 | Episode 6 | Susan Sarandon | 2010-04-23 | 60 min |
| Season 1 | Episode 7 | Spike Lee | 2010-04-30 | 60 min |
| Season 2 | Episode 1 | Vanessa Williams | 2011-02-04 | 60 min |
| Season 2 | Episode 2 | Tim McGraw | 2011-02-11 | 60 min |
| Season 2 | Episode 3 | Rosie O'Donnell | 2011-02-18 | 60 min |
| Season 2 | Episode 4 | Kim Cattrall | 2011-02-25 | 60 min |
| Season 2 | Episode 5 | Lionel Richie | 2011-03-04 | 60 min |
| Season 2 | Episode 6 | Steve Buscemi | 2011-03-25 | 60 min |
| Season 2 | Episode 7 | Gwyneth Paltrow | 2011-04-01 | 60 min |
| Season 2 | Episode 8 | Ashley Judd | 2011-04-08 | 60 min |
| Season 3 | Episode 1 | Martin Sheen | 2012-02-03 | 60 min |
| Season 3 | Episode 2 | Marisa Tomei | 2012-02-10 | 60 min |
| Season 3 | Episode 3 | Blair Underwood | 2012-02-24 | 60 min |
| Season 3 | Episode 4 | Reba McEntire | 2012-03-02 | 60 min |
| Season 3 | Episode 5 | Jerome Bettis | 2012-03-09 | 60 min |
| Season 3 | Episode 6 | Helen Hunt | 2012-03-23 | 60 min |
| Season 3 | Episode 7 | Rita Wilson | 2012-03-30 | 60 min |
| Season 3 | Episode 8 | Edie Falco | 2012-04-06 | 60 min |
| Season 3 | Episode 9 | Rob Lowe | 2012-04-27 | 60 min |
| Season 3 | Episode 10 | Rashida Jones | 2012-05-04 | 60 min |
| Season 3 | Episode 11 | Jason Sudeikis | 2012-05-11 | 60 min |
| Season 3 | Episode 12 | Paula Deen | 2012-05-18 | 60 min |
| Season 4 | Episode 1 | Kelly Clarkson | 2013-07-23 | 60 min |
| Season 4 | Episode 2 | Christina Applegate | 2013-07-30 | 60 min |
| Season 4 | Episode 3 | Chelsea Handler | 2013-08-06 | 60 min |
| Season 4 | Episode 4 | Zooey Deschanel | 2013-08-13 | 60 min |
| Season 4 | Episode 5 | Chris O'Donnell | 2013-08-20 | 60 min |
| Season 4 | Episode 6 | Cindy Crawford | 2013-08-27 | 60 min |
| Season 4 | Episode 7 | Trisha Yearwood | 2013-09-03 | 60 min |
| Season 4 | Episode 8 | Jim Parsons | 2013-09-10 | 60 min |
| Season 5 | Episode 1 | Cynthia Nixon | 2014-07-23 | 60 min |
| Season 5 | Episode 2 | Jesse Tyler Ferguson | 2014-07-30 | 60 min |
| Season 5 | Episode 3 | Rachel McAdams | 2014-08-06 | 60 min |
| Season 5 | Episode 4 | Valerie Bertinelli | 2014-08-13 | 60 min |
| Season 5 | Episode 5 | Kelsey Grammer | 2014-08-20 | 60 min |
| Season 5 | Episode 6 | Julie Chen | 2015-03-08 | 60 min |
| Season 5 | Episode 7 | Josh Groban | 2015-03-15 | 60 min |
| Season 5 | Episode 8 | Angie Harmon | 2015-03-22 | 60 min |
| Season 5 | Episode 9 | Sean Hayes | 2015-03-29 | 60 min |
| Season 5 | Episode 10 | Tony Goldwyn | 2015-04-05 | 60 min |
| Season 5 | Episode 11 | America Ferrera | 2015-04-12 | 60 min |
| Season 5 | Episode 12 | Bill Paxton | 2015-04-19 | 60 min |
| Season 5 | Episode 13 | Melissa Etheridge | 2015-04-26 | 60 min |
| Season 6 | Episode 1 | Ginnifer Goodwin | 2015-07-26 | 60 min |
| Season 6 | Episode 2 | J.K. Rowling | 2015-08-02 | 60 min |
| Season 6 | Episode 3 | Alfre Woodard | 2015-08-09 | 60 min |
| Season 6 | Episode 4 | Into The Archives | 2015-08-16 | 60 min |
| Season 6 | Episode 5 | Bryan Cranston | 2015-08-23 | 60 min |
| Season 6 | Episode 6 | Tom Bergeron | 2015-08-30 | 60 min |
| Season 7 | Episode 1 | Aisha Tyler | 2016-04-03 | 60 min |
| Season 7 | Episode 2 | Scott Foley | 2016-04-10 | 60 min |
| Season 7 | Episode 3 | Katey Sagal | 2016-04-17 | 60 min |
| Season 7 | Episode 4 | Molly Ringwald | 2016-04-24 | 60 min |
| Season 7 | Episode 5 | Chris Noth | 2016-05-01 | 60 min |
| Season 7 | Episode 6 | Lea Michele | 2016-05-01 | 60 min |
| Season 8 | Episode 1 | Courteney Cox | 2017-03-05 | 62 min |
| Season 8 | Episode 2 | Julie Bowen | 2017-03-12 | 60 min |
| Season 8 | Episode 3 | Jennifer Grey | 2017-03-19 | 60 min |
| Season 8 | Episode 4 | Noah Wyle | 2017-03-26 | 60 min |
| Season 8 | Episode 5 | Jessica Biel | 2017-04-02 | 60 min |
| Season 8 | Episode 6 | Smokey Robinson | 2017-04-09 | 60 min |
| Season 8 | Episode 7 | John Stamos | 2017-04-16 | 60 min |
| Season 8 | Episode 8 | Liv Tyler | 2017-04-24 | 60 min |
| Season 9 | Episode 1 | Jon Cryer | 2018-05-21 | 60 min |
| Season 9 | Episode 2 | Laverne Cox | 2018-05-21 | 60 min |
| Season 9 | Episode 3 | Megan Mullally | 2018-05-28 | 60 min |
| Season 9 | Episode 4 | Hilary Duff | 2018-06-04 | 60 min |
| Season 9 | Episode 5 | Molly Shannon | 2018-06-11 | 60 min |
| Season 9 | Episode 6 | Jean Smart | 2018-06-18 | 60 min |
| Season 10 | Episode 1 | Mandy Moore | 2018-12-03 | 60 min |
| Season 10 | Episode 2 | Josh Duhamel | 2018-12-10 | 60 min |
| Season 10 | Episode 3 | Matthew Morrison | 2018-12-17 | 60 min |
| Season 10 | Episode 4 | Regina King | 2018-12-17 | 60 min |
| Season 11 | Episode 1 | Billy Porter | 2022-07-10 | 60 min |
| Season 11 | Episode 2 | Nick Offerman | 2022-07-17 | 60 min |
| Season 11 | Episode 3 | Allison Janney | 2022-07-24 | 60 min |
| Season 11 | Episode 4 | Zachary Levi | 2022-07-31 | 60 min |
| Season 11 | Episode 5 | Bradley Whitford | 2022-08-07 | 60 min |
| Season 11 | Episode 6 | Zachary Quinto | 2022-08-14 | 60 min |
