| Celebrity Undercover Boss USA | Tony-winning Broadway star Idina Menzel disguises herself to go undercover and help unknown musical talents and performers who aspire to make it to the big stage. (S9 Ep8/9) [S] | Tue, Apr 28, 7:55 am | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Three-time Olympic gold medallist Gabby Douglas goes undercover to meet up-and-coming gymnasts and inspirational coaches and help make their dreams come true. (S9 Ep7/9) [S] | Tue, Apr 28, 7:05 am | E4 Extra | 50 mins |
| Celebrity Undercover Boss USA | Grammy-winning singer-songwriter Seal adopts a disguise to go incognito among some undiscovered but talented musicians who are struggling to make it in the music industry. (S9 Ep6/8) [S] | Mon, Apr 27, 7:55 am | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Ground-breaking model, author and body activist Ashley Graham dons a disguise to go undercover and meet people who hope to break into the fashion world. (S9 Ep5/8) [S] | Mon, Apr 27, 7:05 am | E4 Extra | 50 mins |
| Celebrity Undercover Boss USA | Stephanie McMahon, former women's champion and current chief brand officer of the WWE, goes undercover to meet aspiring wrestlers and fans and help make their dreams a reality. (S9 Ep4/8) [S] | Fri, Apr 24, 8:00 am | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Singer-songwriter, actor and author Jewel dons a disguise as an event planner to go undercover and meet talented musicians and artists who are struggling to get their big break. (S9 Ep3/8) [S] | Fri, Apr 24, 7:05 am | E4 Extra | 55 mins |
| Celebrity Undercover Boss USA | American football star Deion Sanders goes undercover, disguised as a businessman who hopes to start a youth football programme, to meet inspiring sports coaches and worthy fans. (S9 Ep2/8) [S] | Thu, Apr 23, 8:00 am | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | YouTube star and internet sensation Bethany Mota adopts a disguise to go undercover and meet up-and-coming social media hopefuls who are trying to break through. (S9 Ep1/8) [S] | Thu, Apr 23, 7:05 am | E4 Extra | 55 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Wed, Apr 22, 8:00 am | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Wed, Apr 22, 7:05 am | E4 Extra | 55 mins |
| Celebrity Undercover Boss USA | Tony-winning Broadway star Idina Menzel disguises herself to go undercover and help unknown musical talents and performers who aspire to make it to the big stage. (S9 Ep8/9) [S] | Tue, Apr 21, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Three-time Olympic gold medallist Gabby Douglas goes undercover to meet up-and-coming gymnasts and inspirational coaches and help make their dreams come true. (S9 Ep7/9) [S] | Tue, Apr 21, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Grammy-winning singer-songwriter Seal adopts a disguise to go incognito among some undiscovered but talented musicians who are struggling to make it in the music industry. (S9 Ep6/8) [S] | Mon, Apr 20, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Ground-breaking model, author and body activist Ashley Graham dons a disguise to go undercover and meet people who hope to break into the fashion world. (S9 Ep5/8) [S] | Mon, Apr 20, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Stephanie McMahon, former women's champion and current chief brand officer of the WWE, goes undercover to meet aspiring wrestlers and fans and help make their dreams a reality. (S9 Ep4/8) [S] | Fri, Apr 17, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Singer-songwriter, actor and author Jewel dons a disguise as an event planner to go undercover and meet talented musicians and artists who are struggling to get their big break. (S9 Ep3/8) [S] | Fri, Apr 17, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | American football star Deion Sanders goes undercover, disguised as a businessman who hopes to start a youth football programme, to meet inspiring sports coaches and worthy fans. (S9 Ep2/8) [S] | Thu, Apr 16, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | YouTube star and internet sensation Bethany Mota adopts a disguise to go undercover and meet up-and-coming social media hopefuls who are trying to break through. (S9 Ep1/8) [S] | Thu, Apr 16, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Wed, Apr 15, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Wed, Apr 15, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Tony-winning Broadway star Idina Menzel disguises herself to go undercover and help unknown musical talents and performers who aspire to make it to the big stage. (S9 Ep8/9) [S] | Thu, Feb 19, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Three-time Olympic gold medallist Gabby Douglas goes undercover to meet up-and-coming gymnasts and inspirational coaches and help make their dreams come true. (S9 Ep7/9) [S] | Thu, Feb 19, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Singer-songwriter, actor and author Jewel dons a disguise as an event planner to go undercover and meet talented musicians and artists who are struggling to get their big break. (S9 Ep3/8) [S] | Tue, Feb 17, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | American football star Deion Sanders goes undercover, disguised as a businessman who hopes to start a youth football programme, to meet inspiring sports coaches and worthy fans. (S9 Ep2/8) [S] | Mon, Feb 16, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | YouTube star and internet sensation Bethany Mota adopts a disguise to go undercover and meet up-and-coming social media hopefuls who are trying to break through. (S9 Ep1/8) [S] | Mon, Feb 16, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Fri, Feb 13, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Fri, Feb 13, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Wed, Dec 17, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Tue, Sept 30, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9) [S] | Mon, Sept 29, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Sat, Aug 16, 5:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Sat, Aug 16, 4:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Wed, Jul 9, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Tue, Jul 8, 4:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Tue, Jul 8, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Mon, Jul 7, 4:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Sat, May 24, 12:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Fri, May 23, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Fri, May 23, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Thu, May 22, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Wed, Apr 16, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Tue, Apr 15, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Tue, Apr 15, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Mon, Nov 18, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Mon, Nov 18, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Sun, Nov 17, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Thu, Oct 3, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Restaurateur Marcus Samuelsson dons a disguise to work incognito in a teaching kitchen, a food truck and a culinary institute, searching for undiscovered chefs to mentor. (S8 Ep10/10) [S] | Wed, Oct 2, 3:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Wed, Oct 2, 2:00 pm | E4 Extra | 60 mins |
| Celebrity Undercover Boss USA | Country music artist Darius Rucker goes undercover at an open mic night, as a roadie and a busker, in a bid to find fresh songwriting and performing talent. (S8 Ep9/10) [S] | Tue, Oct 1, 3:00 pm | E4 Extra | 60 mins |