Sonia Rykiel, the flame-haired Parisian known for her chic, playful knitwear, marks her house's 40th anniversary in Paris in October.

Whiz kids Jack McCollough and Lazaro Hernandez of Proenza Schouler send out their Fall 2009 collection in New York in February.

The unflappable Karl Lagerfeld presents his Fendi Fall 2009 collection in Milan in March.

The final episode captures fashion at its most rarefied and magical, as it goes behind the scenes at Jean Paul Gaultier's July Haute Couture show in Paris.