'NCIS': Wilmer Valderrama, Sean Murray Tease 'Unexpected' Finale Cliffhanger, 'Dark' New Chapter (Exclusive)

etonline.com:

is wrapping up its 20th season in style! ET's Matt Cohen was exclusively on the set of for Monday's finale, where Sean Murray, Wilmer Valderrama, Katrina Law and Gary Cole reflected on the CBS procedural's longevity and teased what's to come in the dramatic, «unexpected» season closer.«It's amazing.

I mean, the fact that we're not only still here we've got the incredible support of our fans who have been with us from the get-go pretty much and are still with us and still going,» Murray, who is one of the sole remaining cast members from season 1, told ET of accomplishing 20 seasons. «We're gonna keep plugging away as long as they let us.»The newercast members expressed gratitude for those who paved the way and kept the lights on for to continue to thrive, two decades in. «I had no idea that season 20 of was going to become my dream job,» Law admitted. «But thanks to Mark Harmon and everybody that came before me.

Hopefully it just keeps going.»«The fact that this show 20 years later, can still not only be welcome in people's homes, but be still up and running and still be swinging and everyone's still happy to be here.

Still excited to keep swinging and the writers are still keeping it fresh, and the actors are not tired is a testament to the efficiency and most importantly the love that everybody puts into this,» Valderrama said. «We like it here and we have a lot of fun.»«This show went on a year when dinosaurs roamed the Earth,» Cole quipped, before getting serious. «No, it's extraordinary.