When the topic of most memorable TV theme tunes is discussed, it always causes quite the discussion amongst friends, family, and co-workers.

In the past, we've created a pretty extensive list of the best theme tunes we could think of from TV shows (which you can read here and here) gone by, and even today our team were virtually throwing in their favourite suggestions (everything from 'Sweet Valley High', 'Cheers', and 'The Nanny' were thrown in).

The trend was started by Christopher Giles, who said that anything except the 'Friends' theme tunes counts.

The debate of the best theme tunes from TV shows has been trending on Twitter today, and here's the best replies on the subject that we've spotted.

Are there any theme tunes that you think were missed? Let us know in the Facebook comments.