3rd Rock from the Sun - Season 6 Episode 17 -

John Cleese reprises his role as Liam Neesam, Dick's malevolent alien nemesis in the first of a special two-part episode. In part one, Dick intercepts love letters sent to Mary by ""Scoochie,"" a secret admirer, and plots to interject himself into Mary's upcoming assignation at a Renaissance festival with the mystery man.