J.D. still clamors for Dr. Turk's approval as he approaches his final day of teaching at Sacred Heart, Lucy searches within herself for the courage to perform a basic medical procedure on a real human, and Denise and Drew make things official.

Host Mike Rowe collects clams in Florida and then grunts for worms in the Apalachicola National Forest.

Dr. Bhamba has an affair with Lem's mother Stella, a famous physicist who dislikes her son for selling out. While Lem deals with his issue, Ted has some issues of his own when the company overlooks him and embraces Linda's improvement on his long-lived long-life light bulb project.

Rachel goes with Lindsay to her mother trial's but things don't look good. Lindsay admits the truth to Rachel about what really happened the day her father died. After Max hears Steph warning Kim away from him he decides to try and get her fired from the school. Jo ends up backing Steph. When Phillip refuses to help Max they clash and Phillip ends up getting hurt. Rose decides to finish things with Tom. After Rachel returns to the school she gives Steph her job back and an out of control Max trashes her desk.

After an Indian submarine ends up in Pakistani hands the problems between the two countries reaches crisis point. There is pressure is on to stop the first nuclear confrontation for over 60 years when India gives them seven days to release it. The team are forced to work with the Americans to put an end to the crisis. Nightingale puts a bomb in the hotel room of one of the Indian delegates so that the Pakistani president will be killed and the war between the two countries will be made worse. Ros and Lucas try to get the Pakistani president out alive after finding the bomb.

Lee's father shows up unexpectedly after having walked out on him when he was just four. Lucy tries to convince Lee to forgive his father for what he did.

Hilarious highlights and outtakes from the latest series, plus a chance to see how some of the guest hosts' lives were changed forever by presenting one of the nation's best-loved pop quizzes. Featuring Frankie Boyle, David Tennant, Alex James, Claudia Winkleman, James Corden, Mark Watson and many more.