The Christmas Invasion 😀 because it is the first Tennant Episode an he quotes the lion King and does stuff like this:
Episode that scared you most
Blink… definatelly Blink… i mean ever watched this creepy angels? they are scary as fuck!
you sit there, looking at this statues thinking “Okay why are there statues?” and then BÄOM they are moving and are creeping the shit out of you und you just sit there scared making this kind of face