Each episode's "cast in order of..." credit is different depending on the plot of the episode. "Witchsmeller Pursuivant," for instance, introduces the cast "in order of Witchiness," and "The Black Seal" introduces them "in order of disappearance." "The Black Seal" also lists Tim McInnerny's character as "Percy, a Poisoner" (watch the episode to find out why)
There is a statement in the closing credits: "Made in glorious television."
A ballad in mock praise of Blackadder plays over the closing credits.