Mothership’s competition to find people with high IQs delivered an audience broadly on par with ITV1 drama After the Flood and comfortably ahead of the 872,000 (7.6%) series average.

Secret Genius opened ahead of recent C4 Tom Daley-fronted competition format Game of Wool, which stitched together 1.1m (9%) at 8pm on a Sunday in November and drew more than double the 540,000 (5.4%) who tuned into The Inheritance at 9pm on a Sunday in August.

Hosted by Alan Carr and Susie Dent, Secret Genius also drew a stronger audience than Mothership’s previous C4 offerings, Sandi’s Great British Woodland Restoration – which collected 690,000 (5.2%) at 8pm on a Thursday in January 2025 – and Around the World in 80 Weighs, which launched with 612,000 (5%) at 9pm on a Wednesday in January 2024.

The penultimate episode of After the Flood, which is available in full on ITVX, pulled in 1.2m (10.1%).

BBC1’s The Night Manager concluded its second series with a slot-winning 3m (26.2%), shy of the 3.2m (25%) that watched its opener on New Year’s Day, but well ahead of the 1.7m (14.9%) slot average.

The spy thriller, which was not boxsetted on iPlayer, drew a series average of 2.7m (23.7%) across its six parts. 5’s 90-minute quick turnaround doc The Beckham Feud: Truth & Lies, informed 500,000 (4.7%). It nudged ahead of the 415,000 (3.8%) benchmark and drew nearly double the 290,000 (3.2%) whowatched C4’s feature doc on the fractured family Beckham: Family at War – Untold at 10pm on Wednesday last week.

BBC2’s aired the second and concluding part of Confessions of a Killer to 284,000 (2.4%), down on the 585,000 (5.2%) who watched last week’s opening instalment. The series previously TX’d on BBC Northern Ireland.

Love Island: All Stars continued on ITV2 with 603,000 (5.2%), according to Barb data supplied by overnights.tv.