A high-speed chase in Springfield, Mo., ends with police pulling people out of a burning car; a Spokane officer responds to a lewd-conduct call; a cop breaks up a violent altercation between a father and son in Corpus Christi.

Spokane police chase a suspect by car and then on foot before making an arrest for theft and assault; a sheriff in Hillsborough County, Fla., deals with a domestic-abuse situation involving a BB gun; Corpus Christi police pull over a swerving vehicle.

A café owner needs help taming her hyperactive bulldog; Cesar tries to curb a German shepherd's incessant barking.

Chris and his co-hosts take a look at the genre of horror in celebration of the premiere of the fantasy drama “The Fades” on BBC America. The episode features interviews with Lily Loveless (“The Fades,” “Skins”) and English musician/composer Thomas Dolby as well as appearances by Kunal Nayyar (“The Big Bang Theory”) and Alison Brie (“Community,” “Mad Men”).

Daniel Radcliffe hosts. Music guest: Lana Del Rey.

Jenny Lee gets ready to start her career as a midwife and is posted to Nonnatus House in London. She is surprised to find out that it is a nursing convent in the East End rather than a hospital. After managing to find her feet, she is given her first case, which is looking after a woman pregnant for the 25th time.

Moriarty engineers three of the greatest crimes of the century, but then lets himself be caught. When the jury finds him not guilty on all charges and sets him free, Sherlock realizes that his nemesis is playing for bigger stakes, and that Sherlock's fall is Moriarty's ultimate goal.