Which "Countdown" Episode Was the Most Difficult to Write? "Excellent question. The most difficult to write is a tie between the first one… always hard to get a series going with a combo of character ...

The exclusive national telecast will feature live music, special guests, fireworks and a drone show. It will be syndicated ...

Here's a look at Ackles's one-on-one with Fallon from Monday night's show, with the sneak peek at Countdown kicking in at around the 7:40 mark in the video below: Here's a look at the preview that was ...