Must watch:
The Mentalist (TV2, 8.35pm)
Jane agrees to assist FBI agent Susan Darcy with a murder investigation, even though he suspects she has an ulterior motive in wanting his help – to probe him about Red John.
How I Met Your Mother (Four, 7.30pm)
Katie Holmes guest stars on tonight’s episode. Ted finally meets his mystery girl in the slutty pumpkin costume. Meanwhile, Barney learns he is part Canadian, and Lily has pregnancy brain.
Record for later:
Wildest India (TV One, 8.30pm)
I watched this show last week, and really liked it. On tonight’s episode, travel the length of the longest river in India, the Ganges, and see the amazing wildlife and people who rely on the river for their livelihood.
History’s Verdict: Churchill (The History Channel, 7.30pm)
I bet this is a fascinating documentary. It explores the life of one of history’s most complex and iconic figures: Winston Churchill. It looks at his overall contribution to the most significant armed victory of all time, and his importance in history and the present world.
Jungle Pharmacy (Maori Television, 8.30pm)
A documentary that investigates the untapped wealth of medicinal plants, now threatened by the extinction of the Amazon rainforest.

