The month of April starts with a brand new episode of NCIS on the 7th, which will guest star Robert Wagner and Marisol Nichols.

'NCIS' Cast Shares Tidbits About Their Characters & Series

Wagner plays Senior, Tony DiNozzo's (Michael Weatherly) dad and Nichols is portraying ATF Special Agent Zoe Keates who happens to be dating Tony.

CBS released a press release Thursday for the first new episode to air in April.

McGee Gets Jealous On Upcoming Episode Of 'NCIS'

The episode is called No Good Deed, which will showcase Tony and Zoe working together on a case since evidence will call for a joint investigation between NCIS and ATF.

The evidence will reveal that the murder weapon in an NCIS case was originally purchased for the controversial ATF sting operation called "Operation Fast and Furious," which is why the two agencies will have to join forces.

Plus, Zoe and Senior will get to meet in the episode since Tony and Zoe are at that stage in their relationship. A special dinner will occur for Tony's girlfriend and dad to meet.

The episode will also guest star Myndy Crist as Jennifer Vickers, Randy Vasquez as ATF Special Agent Philip Caffey, Gill Gayle as Waylon, Octavius J. Johnson as Gary, Edward Edwards in the role of an older man and Alexandra Kyle as Emma Vickers.

In other NCIS news, check out a preview of the March 24 episode Status Update below.

In the preview, Timothy McGee (Sean Murray) reunites with his girlfriend Delilah (Margo Harshman).

McGee converses with Gibbs (Mark Harmon) about Delilah's return and Gibbs gives the following advice, "Work it out, Tim."

NCIS airs on Tuesdays at 8 p.m. ET on CBS.