A breathtaking natural amphitheater in Tuscany bursts to life with enchanting melodies as legendary Italian tenor Andrea Bocelli honors his 30th anniversary.

Clark and General Lane are both having a hard time giving Lois room to make her own decisions. Meanwhile, Lana and Sarah have a run-in with an old friend at the diner.

Clark finds himself in uncharted territory, and Lois bonds with a new friend. Meanwhile, Superman pays Bruno Mannheim a surprise visit. Lana puts Sarah in charge while she's away.

United by their desire to take the Patriots down, Neville and Monroe form an uneasy alliance, while Miles, Charlie and Gene try to steal the Patriots' supply of mustard gas.

Miles, Charlie & Monroe launch an attack on the Patriots, but must improvise a risky new plan to halt the oncoming war between California and Texas.

Chuck fights to save Bass Industries.

Serena must choose between her family and Ben.

Clark and General Lane are both having a hard time giving Lois room to make her own decisions. Meanwhile, Lana and Sarah have a run-in with an old friend at the diner.

Clark finds himself in uncharted territory, and Lois bonds with a new friend. Meanwhile, Superman pays Bruno Mannheim a surprise visit. Lana puts Sarah in charge while she's away.

Dev-Em and Jayna-Zod help Seg and Nyssa target General Zod's fleet, when they make a shocking discovery.

While Gordon challenges a suspect linked to Galavan, Bruce gets one step closer to discovering the name of his parents' killer.

When Bruce Wayne is kidnapped, Gordon must look to some unlikely and dangerous allies for help.

While Penguin takes a hit for Galavan's murder, Gordon & Bullock investigate the body-snatching spree of Victor Fries, Gotham's preeminent cryogenics engineer.

Dev-Em and Jayna-Zod help Seg and Nyssa target General Zod's fleet, when they make a shocking discovery.

Chuck fights to save Bass Industries.

Serena must choose between her family and Ben.

Seg reunites with Val and the rebels, as General Zod mounts his final attack on the Rebellion.

Lois and Clark dig deeper on Bruno Mannheim, starting with his connections to Hob's Bay Medical Center, while Jonathan and Jordan panic at home over Lois' dire diagnosis.

After learning that Bruno and Peia are married, Clark convinces Lois to take Bruno down. Natalie meets Matteo's parents for the first time, with disastrous consequences.

Russell Thorpe is determined to destroy Chuck’s family legacy, but he risks alienating Raina.

Blair has an epiphany about her future.

Gifted composer, Mozart, arrives in Vienna in 1781. Falling in love with soprano, Constanze Weber, he meets court composer, Antonio Salieri, who from jealousy and revenge, vows to kill him.

Both Matt and Alexis Stone request unusual surgical procedures from Christian. Julia seeks revenge on Erica.

After a medical consult with Liz's friend, Christian contemplates his relationship with Kimber. Sean starts to heal emotionally after encountering a patient seeking perfection.

Christian's debt leads him to deception. A visitor stirs insecurity within Christian and brings joy to Sean. Christian bonds with a patient when he learns of the boy's adoption.