There are lot of video's about hitchhiking. Let's try to collect them here :)
- HitchHiking Trip. Vilnius - Geneva - Barcelona - Amsterdam - Vilnius
- Hitchhiking through Europe part 1 part 2 part 3
- Hitch-hiking - A lost art
- Hitch hiking in Norway
- Hitchhiking in Japan
- Thumbs Up: A Hitchhiking Adventure
Just a start, there are zillions more on YouTube