Senior and Chuck's friends take Chuck on a retreat to regroup. Prince looks to consolidate his wins. Wendy tries to figure out Prince's bigger picture. Sacker reckons with some old skeletons in her closet.

Big Bob is coming to dinner so that Tina can interview him for a school project. While the family waits for Pop Pop to arrive, they take turns coming up with their own versions of an infamous tree incident that happened to him in his younger years.

After Brian sustains an injury, Lois gets hooked on his painkillers. Meanwhile, Cleveland refurbishes Peter's ping pong table, which becomes the hot spot in the neighborhood.

When DOJ Agent Lance Hamilton’s partner is killed, Sam dons his previous undercover persona of “Switch” to find the culprit. Also, Kensi, Deeks, Roundtree and Kilbride work to catch an aerospace engineer who stole classified Navy schematics.

NCIS investigates the robbery of a high-end arts storage by going undercover as potential buyers on the black market, to find who is behind the stolen items.

Tommy makes a deal with Linda. The mole lurking among the Shelbys is given a new mission. Diana agrees to do a favor for Tommy — on one condition.

Cletus discovers that his wife Brandine has been hiding a secret love ... of learning.

Maggie, Lydia and Elijah help Aaron and Gabriel on a mission; Daryl and Rosita pull a heist.