The coaches enlist iconic superstar Mariah Carey to serve as Key Advisor on the first night of Knockouts, when the coaches pair their artists to perform solo, then select just one of them to move on to the Playoffs.
| Title | The Knockouts Premiere |
|---|---|
| Genres | Reality |
| Release Date | 2018-10-29 |
| Episode Runtime | 00 Hours 56 Minutes |
| Season Number | 15 |
| Episode Number | 11 |
| Production Companies | Warner Horizon Television, Mark Burnett Productions, One Three Media, United Artists Media Group, Talpa Media, Warner Horizon Unscripted Television, MGM Television, ITV Studios America |
