I vividly remember watching this. When James Cameron said that Dr. Bob Ballard's exploration of the wreck of the Titanic was the inspiration for his (Cameron's)film, I jumped out of my chair and screamed, "A Plague! A Plague on both your houses!" Yeah, that blockbuster remains on my "must miss" list.
Pierce was an amazing host, and he had a nice bit with John Cleese in it.