Desc: Hitchhiking Vietnam: Letters from the Trail: Directed by Karin Muller. With Karin Muller. 1-Hour PBS Special Join Karin on a 3,000 mile odyssey - where she drives the train to Hanoi, rescues endangered gibbon and leapard kittens from the appalling animal market, eats crawly mud critters, amuses the local children by shaving her legs in the river, and much more! Released in 1997.