Jon Pertwee married his companion I think. It was either him or another Classic Who Doctor.....the random things you learn from quizzes xD
In doing my best to watch some Classic Who (since Netflix has some of the episodes and whatnot) cause my step dad loved Tom Baker as four and he was all "dude watch it" and I'm like 'well since I have until August when the eighth season comes out might as well.' I saw some of Three's stuff trying to find Four which wasn't all that bad.