You would need to consult a lawyer about legal questions. I'm not aware of
anything illegal about linking to a search engine. In either case I did not
post a link.
Would telling users that they can use Google to find content online be
illegal? You can also do the following to find movies and tv shows online.
There is lots of content available under Creative Commons Licenses such as
the Creative Commons License Attribution 3.0.
You can also find content by using Google, and probably other search engines:
content ext:.torrent
This will limit your search to torrents.