Nick and Margaret's latest BBC One special topped a quiet Tuesday outside soaps, overnight data reveals.

Too Many Immigrants? intrigued 3.45 million at 9pm, with an audience share of 17.3%. Summer's Supermarket Secrets was seen by 1.86m (16.8%) at 10.35pm.

Silver River Productions Ltd/Alex Maguire



On BBC Two, Mary Berry Cooks appealed to 1.15m (6.4%), followed by Hive Alive with 1.47m (8.0%) at 8pm and Coast with 1.77m (8.9%) at 9pm.

ITV's Love Your Garden attracted 2.22m (12.1%) at 8pm (196,000/1.0% on +1). A repeat of 56 Up brought in 1.68m (8.4%) at 9pm (221k/1.4%).

On Channel 4's Kirstie's Fill Your House for Free interested 1.21m (6.6%) at 8pm (193k/1.0%). Undercover Boss returned for a new series with 1.46m (7.3%) at 9pm (196k/1.2%), while Utopia continued with 417k (2.7%) at 10pm.

Channel 5's Dog Rescuers was seen by 1.11m (6.1%) at 8pm (166k/0.8%), followed by the latest CSI with 1.39m (6.9%) at 9pm (123k/0.8%) and Big Brother with 1.20m (7.6%) at 10pm.

BBC Three musical drama Glasgow Girls attracted 622k (3.9%) at 10pm.

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