Sunday, Seven, 8.40pm

The police know he's been doing the killing, but now they have to prove it,  and make sure they have enough evidence to put his away for ever. The chilling conclusion to the hunt for serial murderer Ivan Milat.

Redesign My Brain 2

Thursday, ABC, 8.30pm

Last time we saw Todd Sampson stretch his grey matter was astounding stuff and we all learned not only what he, but we, were capable of with training. He's at it again here with some very handy and entertaining tips on how to make the most of our that most important organ, the brain.

Babylon

Itunes, Quickflix and other services.

James Nesbitt stars as the head cop of The Met (London;s police service) who is assigned that most vital of policing accessories,  an American PR expert. What happens next makes for beautifully dark comedy as you'd expect from the creators of The Thick Of It.

MasterChef Australia

Various days (check listings), Ten.

The bitching is certainly a lot lower than what we've been used to in the MKR kitchens, but as MasterChef rolls on we're starting to see a few sideways glances when some of the dishes come out. Yes, they're amazing and yes, they're all amateurs, but have some been practicing their amateur skills a bit more than others? Perhaps in professional kitchens? Possibly for years?

The Casual Vacancy

Monday, Showcase, 8.30pm

From the pen (or keyboard most likely) of Harry Potter author JK Rowling comes this decidedly grown-up look at life in a quaint English village where class warfare has erupted, complete with an anonymous blogger keeping score. Confronting, sexy and not afraid to raise some decidedly hot-button issues along the way, this is great stuff.