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.

The Top 8 dancers-Hayley Erbert, Fik-Shun, Jasmine Harper, Jenna Johnson, Paul Karmiryan, Tucker Knox, Aaron Turner and Amy Yakima-perform with All-Stars from previous seasons, but two more contestants are eliminated. Jenna Elfman is the guest judge.

After uncovering recent evidence that suggest "A" is hiding out closer than they realized, the Liars step up their investigation into their most recent suspect. Hanna continues to crumble due to her newfound infamy as the daughter of a murder suspect. To complicate matters, Hanna is being stalked by fellow student Travis until she learns he is hiding a secret that may change her life. Meanwhile, Toby continues to be manipulated by "A", dangling insight into his mother's death. And Ezra tries to reach out to Aria for help in dealing with his recent troubles, right when she becomes more determined to move on with Jake at a Western themed dance that turns into a two-step with "A".

After weeks of incredible performances, America's Got Talent has arrived at its final 12 acts before the semi-finals. The Aug. 20 live episode included sibling rivalry, soulful singing, and one performance that one judge said could not be followed.

Les, now fully back in charge following his hernia operation, puts the staff on notice that everyone's job is at risk - including Seth and Ashley, who Les says contributed to a drop in American Jewelry's revenue in all departments. Because of that, he placed both on probation, subject to the close, watchful eye of Les, and would remain there until Les determines that they can do their work properly.

Veronica collects enough evidence to send it off to David, which in turn exposes the conspiracy. Katheryn gets nervous when her secret almost goes public.

When Jane and Maura are asked to present the case of serial killer Charles Hoyt at a symposium for law enforcement, Jane worries that her greatest challenge will be facing bad memories. However, as she and Maura begin a simulation of investigating Hoyt's murders, they soon come across a horrifying discovery. In a matter of moments, the team finds themselves drawn into a lethal game of cat and mouse with a new and terrifying serial killer.

Annie gets involved in an FBI investigation in order to cover her tracks. Elsewhere, Henry presents Annie with a major opportunity.

The remaining contestants form teams of three to create futuristic Frankenstein Monsters and their Brides.

Ohio Mafia Boss Merlin recruits Alan to go after Lebanon Levi. Freeman and John are causing trouble in town, which Esther worries will affect her community standing. Jolin rejoins Levi's crew after a promise is made.

The competitors head off to Emerald City Comicon in Seattle.

When Jesse was introduced to Brian on Facebook, she thought she'd hit the jackpot. Brian is a former Marine, a true gentleman, and handsome to boot. They made plans to meet and Jesse drove hundreds of miles to see him, but Brian never showed up and stopped answering her calls. The next day, Jesse begged Brian to explain why he stood her up, but he refused to give a reason. Now, three years later, Brian has asked her to move halfway across the country to live with him. Jesse feels that Brian could be the perfect guy for her and she's ready for a fresh start.

Dolly Parton has to leave the man who made her famous, competing lawyers clash in the Scopes Monkey Trial, and Lewis and Clark explore the dangerous West.

A wild Flash Challenge features hot models and jungle animals. Then, the judges are sent reeling by the artists' Asian-style tattoos; and Jime gives Joshua a taste of his own medicine.

Tasha spends an entire day in therapy, in an effort to get to the root of her relationship issues. During therapy, Malik is forced to tell Tasha why he thinks her relationships fail.

Cameron's continuing use of shady tactics on Ava's case brings up memories of why Harvey left the DA's office to work for Jessica. As Rachel visits law schools, Mike looks back on what cost him his one chance at a degree.

When Alex is forced to put a patient's gender reassignment surgery on hold, she discovers a secret in his medical history that could save his surgery, but tear his life apart. Charlie deals with a patient who is healthy, sane - and convinced she is going to die at midnight. Meanwhile, Joel secretly helps Sonja (guest star Erin Karpluk) deal with a patient of hers who's been admitted to Hope Zion Hospital.

Donnie tries to help a war hero suffering from a neurological disorder, but what starts out as a good deed ends up having major implications. Meanwhile, Pierce gets an unexpected surprise when a fling from his past shows up.

Veteran and up-and-coming linebackers battle for depth-chart positioning; the Titans visit Paul Brown Stadium for the first home preseason game.

Thomas Lennon and Marc Maron are the guests.

In pursuit of the evidence that might clear her, Fiona travels to Karen's hoarding den and performs therapy directly. Robin reveals she's recorded incriminating video of media-mogul Austen Clarke at the Met Gala she attended. So Fiona, suspicious that Robin's husband, Richard, may be working for the Russian Mafia, hatches a plan to silence Robin for good.

Louis C.K., John Legend

Charming, sexy and clever, 27-year-old Dushane has finally made it as 'Top Boy', and is moving into the big time with boss Joe. But Dushane's former right-hand man Sully is now a potentially dangerous rival with a new partner-in-crime, violent and volatile Mike.
When the police discover the body of arch-rival Kamale, Dushane, Sully and Dris are arrested for the murder, and Dushane meets beautiful and smart solicitor Rhianna who proves to be more than a match for the police.
With trials for the district youth squad coming up, 15-year-old Ra'Nell is keeping his head down, but his best friend Gem gets caught up in events that he can't control. Ra'Nell's mother Lisa makes a new start after her nervous breakdown by running a hair salon with her friend Zoe. But a conversation with a property developer proves troubling...

The contestants facing elimination have to try and replicate Darren Purchase's, raspberry rhubarb ginger chocolate dessert.

UK broadcaster Gabby Logan is the celebrity guest as host Adam Hills and co-hosts Josh Widdicombe and Alex Brooker take a look at the weird and wonderful stories of the week in front of a studio audience.