Featuring a visit to the Italian lakes where, since the 1920s, the Alessi factory has been producing exquisite household objects, drawing on the talents of designers including Philippe Starck and Norman Foster.
Sweet visits global design company Ideo and sits in on a brainstorming session for a new digital radio.
A profile of French designer Philippe Starck, who has designed products as diverse as hotels, cheese graters, boats and chairs.
Sweet examines multidisciplinary company Pentagram, whose work includes designs for the classic Kenwood mixer and graphics for Biba, as well as streetlamps, computers, books, websites and posters.
A profile of a Swiss-German manufacturer whose innovative working practices include commissioning buildings by the likes of Frank Gehry and Zaha Hadid and running its own design museum.