What's New Tonight: Monday, June 17th.

8:00 PM EST:

“Switched at Birth” on ABCFAM. When reconnecting with Ty, Bay discovers some surprising information about his time in the military. Toby and Travis have their eyes on the same position at John’s car wash. Daphne is struggling with accepting Bay’s desires to stay with Regina.

“The Bachelorette” on ABC. 13 bachelors remain. Together, they travel to Atlantic City with Desiree. There, she tours the boardwalk with one man, visits Seaside Heights with another, and teams up with Miss America to but the other 11 through a Mr. America pageant. Two men will be sent home after the rose ceremony.

“The Voice” on NBC. Final performances, live. The final singers perform.

9:00 PM EST:

“Defiance” on Syfy. After Defiance is struck by a strange plague, the Irathients are quarantined in the mines. Amanda runs into an old flame from the Earth Republic.

“Major Crimes” on TNT. The team investigates a mysterious murder/suicide case. Emma demands that Rusty be relocated after she learns he received a threatening letter.

“The Fosters” on ABCFAM. Tensions rise when Mike invites Brandon to move in with him, causing an argument between Stef and Brandon. Mariana speaks out against Jesus dating Lexi. A journal assignment triggers some memories of dark secrets in Callie’s past.

“The Glades” on A&E. Jim checks out the death of a male stripper.

10:00 PM EST:

“King & Maxwell” on TNT. An attempted assassination on a visiting diplomat sets everyone on edge. Sean serves as Michelle’s lawyer when she is suspected for the crime. The duo manage to dig up a possible cover-up.

“Mistresses” on ABC. Tensions rise at work for Savi and Dom. Joss is given an unreasonable assignment at work. Karen is still intrigued by the Greys.

“Teen Wolf” on MTV. Scott and Derek seek the help of an unlikely ally.