Grumpy substance-abuse counselor Sam Loudermilk is forced to try to make a connection with a young addict if he wants to keep his weekly meeting space.
As Howard worries about fatherhood, he and Sheldon bond when they jointly assemble a model rocket. Meanwhile, Penny bonds with Leonard's mother, Beverly, much to his concern.
Mid-life Alex is devastated when he learns Ron showed Abby his favourite movie, 'Star Wars.' for the first time, a moment he had been waiting for. Also, in 1991, Young Alex convinces Justin to sneak out of the house to watch 'Star Wars.'
In 1859 Simon becomes intimate with Mrs. Humphrey, while in 1843 Jamie confesses his love for Grace.
Will's finished Romeo and Juliet but now there's competition over who will play Juliet.
The Pawn Stars are knocked out of the park when a drive to LA promises Rick a peek at Babe Ruth's "called shot" bat. Corey has a giant jones for a miniature model of Ralph Lauren's Bugatti Type 57SC.
Dr. Neil Melendez and the team have to wade through legal waters when a husband and wife have to make a life-changing decision about their unborn child. Meanwhile, Dr. Shaun Murphy struggles to adjust to his new environment at home and makes a huge step forward with his colleagues.
The renewal group led by head of values Ian Fletcher has to respond to rumours that Strictly Come Dancing presenter Claudia Winkleman is about to leave the BBC for a rival broadcaster.
When Detective Gibbs and Nick find an FBI agent who appears to have been murdered by Emily, the hunt for her goes up to a new level. With the help of a clue given to her by Adam Radford, Emily tries to tie all the threads while evading arrest. Nick tries to reconcile with Alice's betrayal. Can Emily save herself? Can Nick keep his family together?
Murdoch investigates a surgeon performing cutting-edge organ transplants.
Sabine leads Ezra, Kanan and an army of her fellow Mandalorians back to her home world to rescue her father from the clutches of the Empire.
After talking to Lucifer and Linda, Maze realizes that she is looking for more out of life and decides to head to Canada for a tricky case. Chloe however, becomes concerned when she feels that Maze is being deceived by a scheming conman. Upon further investigation, Lucifer and Chloe make a stunning realization when they find that their target may be much closer than they thought.
While decommissioning an old nuclear missile, a simple accident causes Team Scorpion to endure exposure to toxic vapor while trying to prevent the nuke from detonating. Also, Paige confronts Happy about constantly tagging along with her and Walter.
When Sabine discovers the Empire has resurrected a devastating weapon she created and plans to use it against her people, she must decide whether to destroy it or use it herself.
In an effort to reunite with one another, Reed cuts a deal with the Sentinel Services and Caitlin and the kids seek help from someone outside the compound. Meanwhile, Thunderbird begins to teach Blink how to control her powers.
Grant MacLaren and his team find themselves in FBI custody with no means of escape, while a mysterious new traveler reveals secrets to his psychiatrist.
The guys face a huge challenge when a big dollar collector asks them to slam a 1969 Chevy C10; Heavy D and the guys are off to bike week at Sturgis to check out a one-of-a-kind hydrostatic diesel motorcycle.
An American traitor who turned to terrorism becomes integral in preventing the next attack on U.S. soil. When the only interrogator who can do the job is brought in to stop the attack, there is an unexpected breach in the prison where Dalton is stationed.
It's the beginning of a new era at Gas Monkey Garage as Richard puts the Monkeys in charge of hot-rodding a '73 Chevy P30 Step Van for their first big build without Aaron.
Leni has been known to ruin the surprise party of her siblings. To keep Leni from ruining the surprise birthday party for Rita, Lincoln must work to keep Leni from spoiling the birthday surprise. As Lincoln does his part of the assignment, the rest of Lincoln's sisters work to get the party ready including the part where they involved inviting people they know to the party.