"They may be forgotten but those who had the misfortune to meet them still tremble when they hear their names." Or The Doctor now has to deal with two annoying twins who seem to keep on appearing in his time steam. Another flirty immortal like Jack wasn't enough, his old best friend he had not seen for centuries, and his old best friend's companion whom he is sure the Jester has a crush on. (English is not my first language so feel free to correct me but please be gentle with it)