youtube cache videos in temp file

1.Hi amigos...
2.do u want to know where the youtube streamed videos go..

2.1. C:\Users\username\AppData\Local\Mozilla\Firefox\cache

if u have created profiles for mozilla
go to
2.2.C:\Users\username\AppData\Local\Mozilla\Firefox\Profiles\profilename\Cache

so search here...
the file may be of form for example 098EF875....

enjoy