Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| # | Title | Original airdate | Timeslot | Viewers (millions) | Nightly rank | Weekly rank |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | "Ambushed" | 30 May 2011 | Monday 8:30 pm – 9:30 pm | 0.805 | 17.0 | 47.0 |
| 2.0 | "Fearless" | 30 May 2011 | Monday 9:30 pm – 10:30 pm | 0.667 | 17.0 | 65.0 |
| 3.0 | "True Romance" | 6 June 2011 | Monday 8:30 pm – 9:30 pm | 0.744 | 15.0 | 52.0 |
| 4.0 | "Secrets and Lies" | 6 June 2011 | Monday 9:30 pm – 10:30 pm | 0.726 | 17.0 | 54.0 |
| 5.0 | "Him or Me" | 13 June 2011 | Monday 8:30 pm – 9:30 pm | 0.673 | 21.0 | 61.0 |
| 6.0 | "Demon Days" | 13 June 2011 | Monday 9:30 pm – 10:30 pm | 0.598 | 26.0 | 82.0 |
| 7.0 | "Man in the Machine" | 20 June 2011 | Monday 8:30 pm – 9:30 pm | 0.680 | 19.0 | 60.0 |
| 8.0 | "The Game" | 20 June 2011 | Monday 9:30 pm – 10:30 pm | 0.666 | 20.0 | 64.0 |
| 9.0 | "It's Not The Fall That Kills You" | 27 June 2011 | Monday 8:30 pm – 9:30 pm | 0.835 | 13.0 | 40.0 |
| 10.0 | "Stolen" | 4 July 2011 | Monday 8:30 pm – 9:30 pm | 0.891 | 12.0 | 38.0 |
| 11.0 | "In Deep" | 4 July 2011 | Monday 9:30 pm – 10:30 pm | 0.830 | 14.0 | 45.0 |
| 12.0 | "Break Out" | 11 July 2011 | Monday 8:30 pm – 9:30 pm | 0.876 | 13.0 | 36.0 |
| 13.0 | "The Dunes" | 18 July 2011 | Monday 8:30 pm – 9:30 pm | 0.919 | 10.0 | 35.0 |
| 14.0 | "Chemical Brothers" | 25 July 2011 | Monday 8:30 pm – 9:30 pm | 0.817 | 15.0 | 51.0 |
| 15.0 | "The Carter Redemption" | 25 July 2011 | Monday 9:30 pm – 10:30 pm | 0.789 | 16.0 | 53.0 |
| 16.0 | "Storm Chaser" | 1 August 2011 | Monday 8:30 pm – 9:30 pm | 0.800 | 13.0 | 45.0 |
| 17.0 | "Art Attack" | 8 August 2011 | Monday 8:30 pm – 9:30 pm | 0.755 | 12.0 | 54.0 |
| 18.0 | "Missing Pieces" | 15 August 2011 | Monday 8:30 pm – 9:30 pm | 0.864 | 11.0 | 39.0 |
| 19.0 | "Class of Their Own" | 22 August 2011 | Monday 8:30 pm – 9:30 pm | 0.820 | 10.0 | 39.0 |
| 20.0 | "The Intervention" | 29 August 2011 | Monday 8:30 pm – 9:30 pm | 0.729 | 15.0 | 47.0 |
| 21.0 | "Bad Company" | 29 August 2011 | Monday 9:30 pm – 10:30 pm | 0.681 | 15.0 | 54.0 |
| 22.0 | "Two Fires" | 5 September 2011 | Monday 8:30 pm – 9:30 pm | 0.831 | 11.0 | 37.0 |
Question:
When did "The Intervention" originally air?
Answer:
29 August 2011