E4 Extra ·

Celebrity Undercover Boss USA

Monday 19 October 2026, 15:00 – 16:00 UK time

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.

Upcoming showings

Other scheduled episodes, repeats and reruns across all channels. All times are UK time.

E4 Extra

Celebrity Undercover Boss USA

Tuesday 20 October 2026, 07:05 – 07:55

→

E4 Extra

Celebrity Undercover Boss USA

Tuesday 20 October 2026, 07:55 – 08:55

→

E4 Extra

Celebrity Undercover Boss USA

Wednesday 21 October 2026, 07:05 – 07:55

→

E4 Extra

Celebrity Undercover Boss USA

Wednesday 21 October 2026, 07:55 – 08:55

→

E4 Extra

Celebrity Undercover Boss USA

Thursday 22 October 2026, 07:05 – 08:00

→

E4 Extra

Celebrity Undercover Boss USA

Thursday 22 October 2026, 08:00 – 09:00

→

E4 Extra

Celebrity Undercover Boss USA

Friday 23 October 2026, 07:05 – 08:00

→

E4 Extra

Celebrity Undercover Boss USA

Friday 23 October 2026, 08:00 – 09:00

→

E4 Extra

Celebrity Undercover Boss USA

Saturday 24 October 2026, 14:00 – 15:00

→

E4 Extra

Celebrity Undercover Boss USA

Saturday 24 October 2026, 15:00 – 16:00

→

E4 Extra

Celebrity Undercover Boss USA

Sunday 25 October 2026, 11:00 – 12:00

→