1/4. Architect Charlie Luxton explores innovative solutions to Britain's lack of low-cost housing, from DIY kits to converted shipping containers. Tonight, the focus is on rooftop dwellings. Continues tomorrow at 7.30pm
8/10. The medics treat an asthmatic.
Three naughty boys are brought to heel. A new episode tomorrow at 8.30pm
9/10. Chop-socky with Chris Crudelli , including samurai-style decapitation and the fearsome "death touch".
9.30 10/10. The art of "praying mantis-style" kungfu.
Shown at 8pm on BBC1 (AD)
Gaz reveals a fear of commitment.
Hidden-camera comedy.
: signed