Trace the U.S. role in Iraq from the 2003 invasion to the current violence. Tuesday at 10pm.

Join the search for clues to the fate of an orphaned rhinoceros brought up in a wildlife vet’s home. Wednesday at 8pm.

Join Joy and Mark in Australia to uncover the reproductive secrets of the pouch-wearing marsupials. Wednesday at 10pm.

Find out why Kate's gesture at Alan and Celia's wedding stuns everyone - including Caroline. Sunday at 8pm.

Trail Belgian super sleuth Hercule Poirot as he exercises his "little grey cells" to solve crimes. Sunday at 9pm.