Christmas 2012: best TV on today, Sunday 23 December

Based on the children's book by David Walliams, Mr Stink tells the story of a lonely young girl who befriends a tramp and lets him live in her dysfunctional family's garden shed. The family-friendly drama also stars Sheridan Smith, Johnny Vegas and BGT winner Pudsey. Read our interview with Hugh Bonneville.

Loving Miss Hatto - 8:30pm, BBC1

Penned by Victoria Wood but based on a true story, Loving Miss Hatto follows an ordinary married couple as - from their Hertfordshire bungalow - they orchestrate one of the greatest hoaxes the world of classical music has ever seen.

Joanna Lumley: the Search for Noah's Ark - 9:00pm, ITV1

Joanna Lumley embarks on a journey across the world to uncover the truth behind Noah's Ark. Her dedicated detective work uncovers fascinating stories and takes her from Mount Ararat in Turkey to the Jebel Shams in Oman. Read our interview with her.

Homeland - 9:00pm, Channel 4

The feature-length conclusion to the second series of the award-winning thriller is set to be a shocker. As Saul sets off on a secret mission and Carrie ponders her future, could time be running out for Brody?

James May's Toy Stories: Flight Club - 9:30pm, BBC2

The Top Gear presenter investigates the nation's love of model planes - and tries to construct a toy glider to fly 22 miles across the English channel. Learn how to make the ultimate paper plane.

Him & Her - 10:00pm, BBC3

It's the Him & Her Christmas special. Last week, Steve finally managed to pop the question and Becky accepted - so is a romantic Christmas on the cards? Probably not. Just like any other, Christmas Day in Steve's grubby flat promises awkward moments, vicious words from a pregnant Laura and someone eating food in bed.