Ralph Waite tribute marathon airs today at 4:00 p.m. (EST) on USA Network

Since "NCIS" reruns are only on Wednesday's on USA Network, this afternoon---TODAY-- starting at 3:00 p.m. CST, there's a Ralph Waite Marathon on NCIS--all 8 episodes back to back. Click here for the full story.

Here are the episodes you'll see:
Heartland (2008), Season 6, Episode 4, directed by Tony Wharmby
Silent Night (2008), Season 6, Episode 11, directed by Tony Wharmby
Faith (2009), Season 7, Episode 10, directed by Arvin Brown
Rule Fifty-One (2010), Season 7, Episode 24, directed by Dennis Smith
Spider and the Fly (2010), Season 8, Episode 1, directed by Dennis Smith
Life Before His Eyes (2012), Season 9, Episode 14, directed by Tony Wharmby
The Namesake (2012), Season 10, Episode 5, directed by Arvin Brown
Better Angels (2013), Season 11, Episode 7, directed by Tony Wharmby

Set your DVR's!