Hosted by comedian Aisha Tyler, cast members Ryan Stiles, Wayne Brady and Colin Mochrie, along with guest comedian Greg Proops, put their comedic skills to the test through a series of spontaneous improv games that are prompted only by random ideas supplied by the studio audience. The four performers must use the little information they have and their wild imaginations to depict different characters and an array of scenes, as well as perform songs. After each round of improvisation, Aisha will dole out points to our four performers and declare a winner at the end of every episode.

Hosted by comedian Aisha Tyler, cast members Ryan Stiles, Wayne Brady and Colin Mochrie, along with guest comedian Keegan Michael Key, put their comedic skills to the test through a series of spontaneous improv games that are prompted only by random ideas supplied by the studio audience. The four performers must use the little information they have and their wild imaginations to depict different characters and an array of scenes, as well as perform songs. After each round of improvisation, Aisha will dole out points to our four performers and declare a winner at the end of every episode.

Debbie's estranged wild child mother (guest star Rhea Perlman) invites the Weavers to come to her timeshare in San Diego and meet her newly adopted son - he's 10. Debbie agrees to the trip provided that Larry & Jackie come too as a buffer. Meanwhile, Marty tries to cure Abby of her fear of the ocean.

Keegan defends an artist charged with the murder of her apparently much younger husband, while Keegan himself is arrested for murdering the mayor. The accusations against Keegan divide Ben and Scarlet while Maddy tries to figure out what to do about Bruce.

When Zoe's mom takes her on as a client, Zoe is secretly thrilled that she will finally get her mother's undivided attention. Brick is surprised to hear that Lemon is returning to town soon, so he enlists Lavon's help to throw a welcome home party for her. However, her return hits an unexpected snag and she is forced to turn to Wade for help. Meanwhile, George is roped into helping Magnolia.

A double homicide leads Nick and Hank to a traveling carnival where the performers are not what they seem. To get a better understanding of what's going on behind the scenes Monroe and Rosalee go undercover. On the wedding front, Monroe has a really important question for Nick. In Austria, an invaluable member of the Resistance makes the ultimate sacrifice to help Adalind.

An entrepreneur from Salt Lake City hopes to convince the Sharks of the delicious and healthy merits of his energy bars fortified with protein from crickets; an inventor from Vista, California shows how his garage lock will protect everyone from easy break-ins, a confident entrepreneur from Needham, MA, tries to school the Sharks, even those without hair, on a "paradigm shift in morning grooming" - his shower cap to fix bedhead, and two young men from Chicago, OH, try to woo the Sharks on their e-commerce platform for digital textbook rentals. And, an amazing update on this season's newest success story - Fiber Fix, created by entrepreneurs from Orem, Utah, in which Lori Greiner invested.

Virginia stops believing in magical things, but second guesses herself when a ghost appears in their house. When Burt discovers that Jim Hughes has secretly been living in their house's bomb shelter, Burt and Jim play along with Virginia's antics in order to make her believe in the paranormal again. Meanwhile, Burt and Virginia learn some news about Jim that scares them straight.

The uninfected are hiding in a secret bunker on the base as the CDC attempt to retrieve the canisters with the virus and the cure while the Ilaria assassins capture Hatake and force him to chose between which one of his children they will kill first.

Bill Maher was joined by Errol Morris, Sheila Bair, Keith Ellison & Simon Schama and Shane Smith.

Our team is called in when a body is found in a meadow, the cranial cavity converted into a beehive. Meanwhile, Beverly Katz continues to work on the mural killer case, secretly consulting with Will Graham to decipher the killer's human tapestry. Will insists that the killer was put in the mural by Hannibal Lecter, and urges her to prove that Hannibal is the real Chesapeake Ripper and Copycat Killer.

In the throes of a crippling, violent insurgency, Dagestan is Russia's hotbed for Muslim extremism. Its jihadists have been behind many high-profile terrorist plots around the world, including alleged Boston Marathon bomber Tamerlan Tsarnaev, who spent six months there the year before that deadly attack. To understand why so much terrorist activity originates in the region, and to see firsthand what Tsarnaev learned during his stay, Shane Smith heads to Dagestan to follow in terrorists' footsteps.

Tonight Jimmy's guests are actor Kevin Bacon and animal expert Jeff Musial. Musical guest will be musician Ann Wilson.

Coming Soon...

Before heading to Cyllage City, the group decides to stop by the Sycamore Pokémon Lab. Team Rocket decides to kidnap Professor Sycamore, as well as Serena and Bonnie, to pry the professor's mind for the secrets behind Mega Evolution, while Ash and Clemont have to deal with a gluttonous little Chespin with a penchant for macarons.

Sweetie Belle ruins a costume for one of Rarity's clients on purpose; Luna visits her in her dreams.

Emma Willis and Marvin Humes present the first live round of the singing contest, in which the 12 remaining acts - Bizzi, Chris, Christina, Emily, Georgia, Iesher, Jamie, Jermain, Lee, Rachael, Sally and Sophie May - perform for a place in the semi-final. After all three acts in each team have performed, Kylie Minogue, Tom Jones, Will.i.am and Ricky Wilson will choose one to progress straight through to the next round - leaving the remaining two on each team to go head to head in a public vote.

Emma Willis and Marvin Humes announce the result of the public vote to decide which four acts will be going home - leaving Kylie Minogue, Tom Jones, Will.i.am and Ricky Wilson with just two each for next week's semi-final.

A pair of environmental activists are brought in for treatment after causing the explosion of a lorry during an anti-fracking demonstration, and Ethan's conscience is tested when it turns out they are both hiding secrets from each other. Rita and Zoe help a desperate prisoner repair his relationship with his mother, while Lily and Ash go head to head at the latter's disciplinary hearing