VIDEO: Sneak Peek - 'The Scream' Episode of SWITCHED AT BIRTH

Kathryn's celebration party reveals some unexpected news in an all-new episode of "Switched at Birth," airing Monday, February 17 at 8:00PM ET/PT on ABC Family. Get a sneak peek below!

Kathryn's murder mystery party quickly gets complicated when both John and Kathryn discover something about each other.  Bay tries to get an invite to Tank's fraternity luau.

Meanwhile, Daphne plans a 21st birthday party for Campbell (guest star RJ Mitte, "Breaking Bad").

"The Scream" was written Chad Fiveash & James Stoteraux, and directed by Jonathan Frakes. 

"Switched at Birth" is executive-produced by Lizzy Weiss ("Blue Crush"), Paul Stupin ("Make It or Break It") and John Ziffren ("Melissa & Joey," "Make It or Break It"). The series stars Katie Leclerc as Daphne Vasquez; Vanessa Marano ("Gilmore Girls") as Bay Kennish; Constance Marie ("George Lopez") as Regina Vasquez; D.W. Moffett ("Friday Night Lights") as John Kennish; Lea Thompson ("Back to the Future," "Caroline in the City") as Kathryn Kennish; Lucas Grabeel ("High School Musical") as Toby Kennish; Sean Berdy as Emmett Bledsoe; and Gilles Marini ("Brothers and Sisters") as Angelo Sorrento with guest star Marlee Matlin ("The West Wing"). 

Part of the Disney/ABC Television Group, ABC Family is distributed in over 97 million homes. ABC Family features programming reflecting today's families, entertaining and connecting with adults through relatable programming about today's relationships – told with a mix of diversity, passion, humor and heart. ABC Family's programming is a combination of network-defining original series and original movies, quality acquired series and blockbuster theatricals. For 2014, ABC Family has launched the "WATCH ABC Family" authenticated service which allows viewers with participating TV subscription services access to 24/7 live viewing of the network, as well as continued on demand access to such popular series at home and on the go via a wide array of devices. ABC Family is also the destination for annual Holiday events with "13 Nights of Halloween" and "25 Days of Christmas." ABC Family. A New Kind of Family.