CBS Season Finale Spoilers: What to Expect

The NCIS team investigates whether a fire on a U.S. Navy ship, which also served as a detention site for terrorists who had been indicted, was accidental or an intentional diversion for prisoner escape. Meanwhile, Gibbs travels home following news about his father's passing, played by the late Ralph Waite. The episode is a tribute to both the character and the actor.

When Caroline finds out that Max didn't graduate high school, she chooses to help her best pal get her degree and reconnect with her estranged mother.

The team investigates a present-day crime with ties to a mob heist that occurred 25 years ago, and Brass has to make a decision when his daughter attempts suicide. Treat Williams guest stars.

Alan confesses his true identity to Larry (D.B. Sweeney), who continues to bless Alan’s wedding to his sister, Gretchen (Kimberly Williams-Paisley). With the wedding comes one surprise after another, including a big one from Gretchen. Country music star Brad Paisley, Williams-Paisley’s real-life husband, guest stars.

Ian Wright (Nick Jonas) returns and uses Grover's daughter as bait in order to get him to steal $100 million for him. Meanwhile, Wo Fat escapes jail and unexpectedly returns to Oahu.

When Danny doesn't listen to orders and investigates a case he was told was off-limits, he uncovers shocking information that he shares with Frank that could have enormous repercussions within the department.

When the NCIS: Los Angeles team and DEA uncover the cartel's plans to slyly transport billions of dollars’ worth of cocaine from Colombia to the U.S. using a submarine, Callen and Sam must quickly locate the missing vessel. Elsewhere, Hetty is called to Washington in the aftermath of the controversial mission in Afghanistan.

The team takes desperate action in its race to prevent the malevolent AI program Samaritan from coming online and making them its first targets. Meanwhile, the months-long battle with the anti-surveillance terrorist group Vigilance comes to a shocking conclusion.

As a team member clings to life, the BAU continues its investigation in Texas where they uncover a deep web of corruption, and Garcia is thrust into action to save a friend. Esai Morales returns.

With his entire world changing around him, Sheldon considers a major move.

Rising tension between Sherlock and Joan brings their partnership to a crossroads, but they endeavor to put their differences aside while they help Sherlock's brother, Mycroft, who faces accusations of treason and murder.

With the one million dollar prize on the line, the final teams race through Las Vegas, where the world’s greatest illusionist, David Copperfield, designs a final challenge that requires the remaining teams to master the art of magic.

The futures of Florrick/Agos and Lockhart/Gardner are at stake when the firms consider merging, driving a wedge between Alicia and Cary. Meanwhile, Diane makes a big decision when Louis Canning challenges her role at her fir

A new lead in a cold case requires Lisbon to delay her plans to leave for Washington, D.C., giving Jane time to finally come to terms with his feelings for her and decide on a course of action.

Molly’s thrilled when she is accepted into an elite eight-week writer’s workshop in Iowa, but when Mike asks her not to go and leave him for the entire summer, Molly questions whether or not to pass up her opportunity of a lifetime.

Four Castaways remain and one will be crowned the Sole Survivor during the two-hour season finale, followed by the Live Reunion Show.