Highlights from the Sixth Episode of Season 9 of NCIS

­Doctor Donald "Ducky" Mallard (David McCallum) enjoys an intimate dinner with his new love interest Mary Courtney, special guest Cheryl Ladd.

"Thirst"

Doctor Donald "Ducky" Mallard (David McCallum, left) enjoys an intimate dinner with his new love interest Mary Courtney (Cheryl Ladd, right) on NCIS, Tuesday, Oct. 25 (8:00-9:00 PM ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS
Gibbs

Gibbs

Special Agent Leroy Jethro Giibbs (Mark Harmon) and the NCIS team investigate the murder of Navy lieutenant who died of forced over-hydration on NCIS, Tuesday, Oct. 25 (8:00-9:00 PM ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS
Looking Up Information

Looking Up Information

Special Agent Tony DiNozzo (Michael Weatherly, left), Special Agent Leroy Jethro Giibbs (Mark Harmon, center) and Special Agent Ziva David (Cote de Pablo, right) investigate the murder of Navy lieutenant who died of forced over-hydration on NCIS. Photo: Monty Brinton
Cheryl Ladd

Cheryl Ladd

Doctor Donald "Ducky" Mallard (David McCallum) enjoys an intimate dinner with his new love interest Mary Courtney (Cheryl Ladd, pictured) on NCIS.Photo: Sonja Flemming/CBS
Winning Caption:

Winning Caption: "This reminds me of a time when..."

Doctor Donald "Ducky" Mallard (David McCallum, pictured) enjoys an intimate dinner with his new love interest Mary Courtney (Cheryl Ladd) on NCIS. Photo: Sonja Flemming/CBS. Winning caption by Hunter P.
Cheryl Ladd

Cheryl Ladd

Doctor Donald "Ducky" Mallard (David McCallum) enjoys an intimate dinner with his new love interest Mary Courtney (Cheryl Ladd, pictured) on NCIS.Photo: Sonja Flemming/CBS