Monday's TV Highlights: 'Castle' on ABC How I Met Your Mother Marshall (Jason Segel) is determined to give Barney (Neil Patrick Harris) a final slap to remember. Josh Radnor and Alyson Hannigan also star in this new episode. Switched at Birth Big changes are in the wind as this drama begins its third season, including an influx of new hearing students at the Carlton School for the Deaf. With Katie Leclerc, Vanessa Marano, Lucas Grabeel and Constance Marie. ABC Family Lost Girl In the season premiere Bo (Anna Silk) and her compatriots realizing that they're better off working together to fend off threats. Ksenia Solo and Kris Holden-Ried also star. 2 Broke Girls Caroline's (Beth Behrs) infatuation with Max's (Kat Dennings) teacher (Gilles Marini) at pastry school continues. Mike & Molly Molly (Melissa McCarthy) becomes fed up with her novel and decides to take a break from writing in this new episode. The Fosters Callie's (Maia Mitchell) decision to run away has repercussions, especially for for Lena and Stef (Sherri Saum, Teri Polo), who had offered to adopt her in the season premiere. 9 and 10 p.m. Castle The murder of a video store clerk with a secret history leads the team to Castle's (Nathan Fillion) father (James Brolin). Major Crimes The unit draws closer to finding a serial killer in the season finale. Independent Lens Filmmaker Frederick Wiseman documents life at the University of California at Berkeley during the fall 2010 semester in the new episode "At Berkeley." Don't Trust Andrew Mayne The magician uses his talents to help people send messages to misbehaving loved ones in this new series. Duck Quacks Don't Echo This new series looks at quirky aspects of science and engineering. Bitten Based on the books by Kelley Armstrong, this new series stars Laura Vandervoort as the world's only female werewolf. Chozen A rapper tries to get his life back on track after being released from prison in this new animated series.