For all its shortcomings, I enjoyed the Leviathans, at least in the beginning. There was a creepy edge there, and having Barnabas back as a meanie was much-needed at the time. I've always disliked the fact that he was -forced- to be wicked. He had plenty of ruthlessness inside anyway, and I prefer his natural vampiric evil to his being a pawn any day. I admit to some prejudice in this regard, though; as I've said here plenty of times, when I first got to watch DS on a regular basis back in its original run, the Leviathans episodes were just starting up. I look back on these with great fondness, and it was only later -- in the mid-70s -- that I got to see the earlier episodes. I'll take the Leviathans over Adam any day... Never was there a more tedious subplot, though I give Robert Rodan a lot of credit for playing the part better than it deserved.