A series of freeway car accidents leads to a catastrophic overpass collapse that endangers the lives of civilians and members of the 118.

When Dave's estranged father, Lamar, arrives in town eager to reconnect, his son finally learns the truth about his disappearance 30 years prior. Also, Marty struggles to fire an underperforming employee.

Dramatic changes are on the horizon for the whole gang. The road forward is destined to be influenced by the past.

What does it take to become the next American Idol? Featuring never-before-seen footage of this season's finalists, this special episode takes a deeper look at the journeys from hometown to Hollywood for this season's contestants.

The top 8 artists perform live for the first time for their chance at a spot in the finale. Viewers vote for their favorite artist in real time and the results are revealed at the end of the show.

Bob's grand opening party for the sock factory is upstaged by a fight between Abishola and her sister-in-law.

When a suspicious murder occurs in the classified section of the National Archive, NCIS must investigate a string of Russian spy encounters that may be linked to the crime. Also, Jimmy accidentally makes a confession that could change the course of his relationship with Knight.

Hunt, Liddy, and the Cubans attempt to break into the DNC offices at the Watergate to plant listening devices for the White House.

The judgmental voice in Hayley's head makes it impossible for her to enjoy a girls' night with Nerfer and Danuta.

The discovery of a dead former MI6 agent uncovers secrets from Tennant's past, forcing her to go to extreme lengths to track down the responsible party.

Jan refuses to abandon a dangerous mission, and Miep fears for his life.

Arkady and Tatyana help Peter and Catherine through a rough patch as they clash over their son Paul. Catherine fears Paul will grow up to be a ruthless and careless leader and Archie and Elizabeth are alarmed when Catherine refuses to ordain him.

As Nazi crackdowns increase, Miep must hide an innocent student from her Nazi neighbor.

Women outnumber men two to one! To distract the fairer sex from their obvious advantage, Senator LaMarr proposes a contest to feature a woman on a stamp.

Dr. Teeth's parents arrive, questioning his destiny and jeopardizing both the album and the band.

Sa-wol advances to the final round. Ryu Seok reveals his disturbing plans for the upcoming migration, despite his father's opposition.

Former MasterChef winner and dessert queen Emelia Jackson is here to share her secrets. Using Emelia's choux pastry recipe, contestants must create a superb sweet or savoury dish to avoid elimination.

Dwayne clashes with a new pupil, whose arrival causes fireworks. As Dwayne continues to rebel, Joe and Mike question their future. Meanwhile, Kim's rocked by a blast from the past.

Max and Jake have a plan for final victory, but so does everyone else. Maggie's enemies close in, and Sturrock's bank sale is in danger.