Max and Caroline try to prove their cleaning skills to Sophie so she will hire them for her maid service.

When Castle and Beckett investigate the killing of a treasure hunter, they discover the case is linked to a mysterious homicide from 1947 involving a hard-boiled private detective. Castle realizes the only way to solve the present-day murder is to solve the murder from the past. The 1947 case comes to life through stylized flashbacks, featuring Castle as the private eye and Beckett as a femme fatale.

Zoe decides that it’s too soon in her relationship with Judson to go to the annual Sweetie Pie Dance so instead she makes plans to have a sleepover with Rose, whose parents are going out of town. George misplaces the save the dates for his upcoming wedding which causes major trouble in Lemon paradise. Lemon wants her father to finally move on from her mother leaving him, so she secretly gets him a date for the dance.

Clyde (Ben Schwartz) tries to convince Doug (Josh Lawson) to drink a mysterious beverage.

Highlights from Biff's big day at the Super Bowl in Indianapolis. Dave's "favorite" Manning talks about his brother Peyton's football future. Sarah embarrasses herself in front of a group of punk kids. The South African rap-rave group performs "I Fink U Freeky."

Rosewood High’s "Truth-Up Day," is not just an opportunity for the students of the school to air their grievances and stop bullying, but also a chance for Aria, Emily, Hanna and Spencer to get answers to some burning questions. Spencer looks to find answers on what is going on between Jason and her father when Jason shows up as a chaperone; Aria continues to question Holden on what exactly he is up to during their "date nights," and Hanna tries to figure out the latest situation with Kate. But will the girls be ready for what they find out when shocking truths are revealed? Meanwhile, Emily gets help from an unlikely source to get back on the Rosewood swim team.

Skips lacks computer skills and can't help Mordecai and Rigby master technology.

Ben is forced to eliminate one girl after a two-on-one date of salsa dancing; Ben and six of the women go on a romantic date deep inside the Panamanian jungle; Chris confronts someone about a personal secret she's been keeping from everyone.

This time Craig asks a couple that is on their first date to do the tweets and email segment with him.

The coaches perform a Prince medley and continue their quest to find the new best voice in America.