As usual, here's my selection of the best new shows airing this week in the UK:
The Chaser's War On Everything (BBC4, 10pm) Satirical sketches from Australian troupe The Chasers. Stars Julian Morrow, Craig Reucassel, Chris Taylor, Chris Licciardello & Andrew Hansen.
Famous, Rich & Homeless (BBC1, 9pm) Celebritites spend two-days living homeless on the streets. Stars Hardeep Singh Johli, Rosie Boycott, Bruce Jones and the Marquesss of Blandford.
NASA: Triumph & Tragedy (BBC2, 9pm) Two-part documentary on the Apollo missions of the '60s.
Ugly Betty (Channel 4, 10pm) Return of the US series.
In Search Of England's Green And Pleasant Land (BBC4, 7.30pm) Selina Scott presents a series looking at England's pastoral charms.
Revelations: How To Find God (Channel 4, 7pm) Jon Ronson experiences Alpha, an eight-week program designed to convert agnostics to Christianity.
The Secret Caribbean with Trevor McDonald (ITV1, 8pm) The newsreader travels around the Caribbean, looking at the best and worst the islands have to offer.
On Thin Ice (BBC2, 9pm) James Cracknell and Ben Fogle attempt to race to the South Pole.