Sixth Doctor Titles
Colin Baker's title sequence which ran from 1984-85: The Twin Dilemma to Revelation of the Daleks

The Doctor strangles Peri
The Doctor, suffering a regeneration crisis attacks Peri believing her to be an evil alien spy!

I Am The Doctor, Whether You Like It Or Not...
Peri is still coming to terms with the newly regenerated Sixth Doctor, whether she likes it or not.

Credit: BBC Worldwide