First broadcast: on BBC One Scotland HDLatest broadcast: on BBC Two Northern Ireland HD
Documentary following Judi Dench as she explores the lives of trees, discovering how they feel, how they communicate and how they fight off invading armies and extreme weather. Show more
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
The Sky at Night team discovers the new techniques being pioneered by vision-impaired astronomers to see the universe, using their senses of hearing and touch. Show more