The 'Honeymoon Murder', examining the mysterious death of Anni Dewani, intrigued 4.62m (21%) in the 9pm hour, topping BBC One's slot average for the past 12 months.
Panorama, normally watched by around 2 million on Monday nights, built to a peak of 5.1m (23.1%) as Jeremy Vine's investigation came to a close.
ITV1's three-part Love Life concluded with a modest 3.22m (14.6%), adding 193k (1.2%) on +1, while Mary's Bottom Line held a steady 1.51m (6.9%) for Channel 4 (+1: 244k/1.5%), and 902k (1.4%) watched BBC Two's White Heat.
Sarah Millican's Television Programme amused 1.33m (7%) for BBC Two at 10pm.
The BBC was solid against ITV's soaps in the 8pm hour, with One's Watchdog drawing 3.87m (17.2%), and Two's Natural World interesting 1.4m (6.2%). Get Your House in Order had 949k (4.2%) and 242k (1.1%) on timeshift.
Elsewhere, Channel 5's Europa League football coverage scored 937k (4.2%) between 8pm and 10pm.
Overall, BBC One retained its lead over ITV1 with 22.3% against 21% (+1: 0.7%). BBC Two claimed third place with 5.3%, ahead of Channel 4's 4.6% (+1: 1%) and Channel 5's 3.4% (+1: 0.1%).
Celebrity Juice soared to 1.56m (8.7%) for ITV2 at 10pm, appealing to a further 254k (2.6%) an hour later, to cement its place as the most-watched multichannel of the night.
Meanwhile, The Big Bang Theory grabbed a decent 677k (3.1%) at 8pm (+1: 261k/1.2%), and Glee continued with 313k (1.4%) on Sky1.
BARB ratings data supplied by Attentional