Jamie Theakston takes a look at what's on offer on BBC Knowledge.
Today, a look at the letters K and L.
Sally Gray explores weird science.
A look at music.
Donna and Sam face life after the birth of their babies.
A step-by-step guide to the internet.
An exploration of musicology.
Revealing the early spin doctors who played down the defeat inflicted on the Anglo-Saxons in 991 by the Vikings.
A rare lead coffin is found in Winchester.
A look at a gadget that can electrocute thieves.
Documentary and discussion series.
(Digital Widescreen)