Yes it is a documentary on french television. the name of the emission is "7 à 8" will back you up with a link in a matter of minutes
* here you go:
http://videos.tf1.fr/sept-a-huit/serpents-dans-la-ville-7808667.html
alternative: http://www.wat.tv/video/thailande-serpents-dans-ville-3txvt_2flv7_.html