ITV1 wins in battle of the jungles

I'm A Celebrity confidently stomped over David Attenborough's new wildlife series on Wednesday night.

The first episode of Life in the Undergrowth, focusing on the rituals of millipedes and centipedes, drew an average of 4.57 million (18.5%) to BBC One in the 9pm hour, doubling the audience from the week before.

ITV1's latest update on the antics from the jungle drew 8.1 million (32.8%), landing a third place ranking for the day. BBC Two's Rome took a dangerous tumble, meanwhile, dropping from 4.73 million (20.1%) to just 3.2 million (12.9%). C4's Grand Designs Revisited followed with 2.76 million (11.2%) while Five trailed with 1.02 million (4.6%) for Street Fighter.

The 7.30pm edition of Coronation Street was the day's top performer with 10.56 million (46.8%) but a second episode, shown at 10pm, fared less well with 7.99 million (36.1%). Emmerdale had 9.08 million (43.9%) for second and The Bill put in 6.76 million (28.1%) in the 8pm hour for fifth.

BBC One held 5.24 million (21.8%) with What Not to Wear - Have They Remembered? at 8pm while BBC Two's Natural World kept a steady 2.61 million (10.9%). Channel 4 began with 2.49 million (10.5%) for The View from River Cottage then improved to 2.65 million (10.9%) for the final episode of Jamie's Great Escape. Things were pretty desperate for Five, meanwhile, who began with just 0.36 million (1.5%) for Commando VIP before lifting slightly to 0.48 million (2%) for Dumber and Dumberest.

Lost dominated the competition in multichannel homes, with E4's first-run episode drawing 940,000 (13%) in the 11pm hour.

Sky One had an impressive 621,000 (3.6%) for Stargate Atlantis at 8pm but an hour later, sci-fi drama Threshold lost around 150,000 of its initial audience, dropping to an average of 505,000 (2.9%).

ITV2 maintained a solid audience week-on-week, meanwhile, beginning with 272,000 (1.6%) for The Xtra Factor: 24/7 before improving to 318,000 (1.8%) for original series My Teen's a Nightmare - I'm Moving Out an hour later. Spinoff show I'm a Celebrity Get Me Out of Here - NOW! had 331,000 (3.2%) from 10.30pm.