Clarissa and Sam go to a party dressed as cool, hip, outrageous characters. Clarissa dons a wig, a tatoo, and a nose ring and decides to call herself Jade. At…

Brooke is shocked to find out that Samantha is in her room with a boy named Jack. Along with that, Julian asks her to make some clothes for the movie….

Robin’s musical past emerges again as the group learns of someone named Simon from Robin’s past. Barney searches for more Robin Sparkles memorabilia.

In this conclusion of a special two-part episode, finding the serial killer becomes critical to the BAU when the team realizes Reid is being held captive and a live feed…