A two-hour special, in which Kilroy-Silk topped a live vote among viewers to face the 'Jungle Gym', captured a 35.3% share of the audience between 8pm-10pm.
The task saw the politician emerge from the ordeal with bites all over his face as he experienced being pelted in the face with insects, ate live cockroaches and rowed through a spider-infested tunnel.
The bumper audience grabbed a large share from BBC One's new supernatural drama 'Apparitions'. It drew a lowly 2.9m viewers and a 12.5% share of the audience in the 9pm-10pm slot, after launching with 4.6m viewers last week.
A Channel 4 documentary about disabled domestic pets was watched by 1.8m viewers and a 7.6% share of the audience between 9pm-10pm. Including viewers on Channel 4+1, 'Special Needs Pets' had 2m viewers and an 8.7% share of the audience.
Cult pop quiz 'Never Mind the Buzzcocks' brought BBC Two 1.9m viewers and an 8.3% share of the audience between 9pm-9.30pm.
Five's documentary series 'Danger Men' netted 871,000 viewers and a 3.7% share of the audience with a look at 'Extreme Divers' between 9pm-10pm.
This article was first published on brandrepublic.com