to untar the file try this
tar xvfj name.of.the.file.tar.bz2
within the file that is created should be README or INSTALL file that will tell you how to install
as far as the episodes of sitcoms:
this is a risky subject as most or all (i am not sure) are copyrighted to the producer or someone so i don't think that it would be right for us to discuss that here.