Celebrity Big Brother 1 (American season)
Celebrity Big Brother, also known as Big Brother: Celebrity Edition, is a spin-off series of the American version of the Dutch reality television franchise Big Brother. This season aired during the winter of the 2017–18 network television season on CBS and was the second U.S. Big Brother season to air outside the usual summer television season, the first being Big Brother 9 in 2008. Julie Chen returned as host, with Allison Grodner and Rich Meehan returning as executive producers. The series is produced by Fly on the Wall Entertainment in association with Endemol Shine North America. The first season premiered on February 7, 2018.
| Celebrity Big Brother 1 | |
|---|---|
| Season 1 | |
Celebrity Big Brother 1 logo | |
| Hosted by | Julie Chen |
| No. of days | 26 |
| No. of houseguests | 11 |
| Winner | Marissa Jaret Winokur |
| Runner-up | Ross Mathews |
| America's Favorite HouseGuest | Ross Mathews |
| Companion show | Celebrity Big Brother: After Dark |
| No. of episodes | 13 |
| Release | |
| Original network | CBS |
| Original release | February 7 – February 25, 2018 |
| Additional information | |
| Filming dates | January 31 – February 25, 2018 |
| Season chronology | |
The promotional logo was released on December 20, 2017. The logo is similar to that used for Big Brother 19, with the word "celebrity" added. The first teaser was also released the same day. In January 2018 official photos of the house and backyard were released through a press release and an Instagram livestream with Julie Chen. On January 28, 2018, the official cast was announced during the 60th Annual Grammy Awards.
The first season officially concluded on February 25, 2018, when Marissa Jaret Winokur beat Ross Mathews by a final jury vote of 6 to 3. Ross was also later named America's Favorite HouseGuest.
On May 12, 2018, CBS renewed the spin-off for a second season.