Season 1 American Broadcasting Company December 17, 2007 and December 23, 2007[]
Duel's ratings were not as good as its opponent for its first four shows, NBC's Clash of the Choirs.
| Episodes American Broadcasting Company | Air Date
USA |
Viewers
(millions) |
Households | Adults 18-49 | ||
|---|---|---|---|---|---|---|
| Rating | Share | Rating | Share | |||
| 101 Series Premiere | December 17, 2007 | 7.68 | 5.0 | 8 | 2.5 | 7 |
| 102 | December 18, 2007 | 7.31 | 4.5 | 7 | 2.4 | 7 |
| 103 | December 19, 2007 | 7.42 | 4.9 | 8 | 2.2 | 6 |
| 104 | December 20, 2007 | 6.45 | 4.2 | 7 | 1.9 | 6 |
| 105 | December 21, 2007 | 6.70 | 4.4 | 8 | 1.7 | 6 |
| 106 Season Finale | December 23, 2007 | 6.15 | 3.8 | 7 | 1.6 | 4 |
Season 2 American Broadcasting Company April 4, 2008 and July 25, 2008[]
Season Two aired on Friday nights at 9:00 p.m. (8:00 p.m. Central). The first two episodes had to compete with CBS' The Price Is Right $1,000,000 Spectacular, which aired at the same time. Also since the season premiere, the show was standing and lagging at sixth place behind The CW's second hour of WWE Friday Night SmackDown and the Univision telenovela Pasíon.
| Episodes American Broadcasting Company | Air Date
USA |
Viewers
(millions) |
Households | Adults 18-49 | ||
|---|---|---|---|---|---|---|
| Rating | Share | Rating | Share | |||
| 107 Season Premiere | April 4, 2008 | 3.93 | 2.5 | 3 | 1.2 | 4 |
| 108 | April 11, 2008 | 3.99 | 2.6 | 5 | 1.2 | 4 |
| 109 | April 18, 2008 | 3.29 | 2.1 | 4 | 0.9 | 3 |
| 110 | April 25, 2008 | 3.73 | 2.4 | 4 | 1.0 | 3 |
| 111 | May 2, 2008 | 3.86 | 2.6 | 5 | 1.0 | 3 |
| 112 | June 27, 2008 | 3.27 | 1.0 | 4 | ||
| 113 | July 4, 2008 | |||||
| 114 | July 11, 2008 | 3.56 | 0.8 | 3 | ||
| 115 | July 18, 2008 | |||||
| 116 Series Finale | July 25, 2008 | |||||