Danny and Jackie are assigned to protect a key witness in a Russian mob trial, but when an attempt is made on her life, they realize there is a leak on the task force. Meanwhile, Erin is offered a job as deputy mayor, which would have her working directly with her father.

As Nick delves into the trailer’s weapons cabinet and his inner Grimm, the investigation of a dead construction worker leads him into a long standing conflict in the creature world. Sensing an unfamiliar threat, the suspect takes it upon himself to summon reapers to town to eliminate the Grimm once and for all. Meanwhile, Juliette insists that Nick invite Monroe over for dinner, making for quite the interesting evening.

Dave welcomes actor Chris Hemsworth, comedian Darrell Hammond and musical guest Miike Snow. How well does Chris know the other Avengers? Dave puts him to the test. Sue Hum Tells Don Rickles Jokes.

Stephen Fry investigates the Immortal Bard with Sue Perkins, Bill Bailey, David Mitchell, and Alan Davies in a special show for the Cultural Olympiad.

Dick Roman acquires Frank's hard drive that contains sensitive information about the Winchesters and gives it to an unsuspecting brilliant hacker named Charlie telling her she has 3 days to crack the encryptionl or she is fired. Sam and Dean are tipped off that Dick has the hard drive and race to get to Charlie before she breaks the code. Meanwhile, Bobby tries to help the brothers, but his rage towards Dick for killing him starts to get in the way.

Episode info coming soon ..