Sandi Toksvig hears about medical work abroad from Dr Marie Charles who runs an organisation which places volunteer doctors and nurses in developing countries to impart their skills to local medical workers. She tells of her experiences travelling the world in the course of her work. And dentist Ian Wilson relates how he used his skills to start an oral health programme in Tanzania. Sandi also meets writer and comedian Liz Carr who explains how she went to join the red carpet crowds in Hollywood for the Oscars. Producer: Harry Parker.