Board Thread:The Panopticon/@comment-9435571-20140927221308/@comment-2033057-20141101001322

It counts

It was a trip into space - okay, I grant the fact it was a brief trip in all likelihood, but a trip nonetheless...

The moment in Kill the Moon the TARDIS took off with Courtney still aboard, I immediately considered her a Companion

Now, if single trips do not count at all, then lets remove Katarina from the list as she had the single trip