TV Pauley's BFF Meredith Eaton Returns to 'NCIS' By Raphael Chestang 5:18 PM PDT, November 1, 2011 Back by popular demand! Pauley Perrette's best friend, actress Meredith Eaton, returns to NCIS at the persistence of her faithful fans.MORE: NCIS Gets Touched by an "Angel" Following Meredith's turn as Carol Wilson in 2009, avid tweeters Pauley and Meredith noticed their followers launched a campaign to bring the character back -- much to Pauley's liking."I was like, 'Keep saying that,'" said Pauley. "Because there's nothing better for me than having my best friend play my best friend." Apparently Pauley wasn't alone in her thinking, as producers found a way to work Meredith into tonight's episode, titled Devil's Triangle.MORE: NCIS Star Michael Weatherly on His Directorial DebutIn the episode, Special Agent Gibbs (Mark Harmon) is called to find his ex-wife's (played by Melinda McGraw) missing husband. The situation gets more than awkward when Melinda's character enlists another ex-husband to assist Gibbs.MORE: Three's a Crowd for Gibbs on NCISFind out how Carol helps Pauley's character Abby and the team solve the case on an all-new NCIS tonight on CBS.