1/3 Chris Packham explores the remarkable ways animals use their senses. (R)
BBC Two Scotland only
3/8 Neil Oliver casts his own bronze sword and explores the site of the Welsh Great Escape. (R)
4/8 In Cork, Neil Oliver explores Titanic's last port of call. (R)
BBC Two except Scotland
1/3 Explorer Steve Backshall and sniffer dog Bruiser hunt for tigers through the undergrowth. (R)
3/3 A stranded marmoset roams Rio's streets, and a rhinoceros beetle seeks sanctuary in Tokyo.
Jago Cooper uses scientific and archaeological evidence to examine Easter Island's demise.
4/4 Julian Richards returns to the excavation of two early Anglo-Saxon cemeteries. (R)
5/12 What's worse for us: sugar or fat? Doctors Chris and Xand Van Tulleken investigate. (R)
BBC Two except Wales
BBC Two Wales only
Jago Cooper uses scientific and archaeological evidence to examine Easter Island's demise. (R)
Friday 31 January 2014