Don and the team are left with little recourse when a former FBI subcontractor takes a team member hostage.

Don and his team must race to save the hostages being held on a hijacked bus.

Some senior pranks manage to cause chaos. Jenna’s vow to not think about Matty ends up being tested after she overhears a worrying secret.

Sex, secrets and shenanigans occur at Ally’s rental beach house in Rosarito, Mexico.

Shenanigans ensure while the students enjoy spring break at Ally’s rental beach house in Rosarito, Mexico.

On a ski trip to Aspen, the Sheffields accept a dinner invitation from the President. Fran’s blood test needed to get some antibiotics have some wonderful results.

When one of Horatio’s team lets their personal problems contaminate the investigation involving a spurned ex-lover, Horatio has to fire that team member.

Callie is now officially adopted into the Adams Foster family and must put aside any romantic feelings for Brandon. She does so by throwing herself into her “Fost and Found”…

Amid tensions in their own relationship, Stef and Lena host a 40th anniversary party for Lena’s parents.

As part of their annual tradition, Stef and Lena have Mike over for Father’s Day brunch. Jude surprises everyone, especially Callie, by inviting his biological father, Donald, to join them….

Callie meets her grandfather, which gives her a new perspective on Robert. Meanwhile, Mariana gets ready for a crucial dance-team showdown; and Jude stands up for a friend.

Callie confronts demons from the past; Mariana worries about the future of Ana’s baby; Jude deals with the repercussions of his poor decision; Lena discusses her domestic troubles with Monte.

Stef and Lena take different sides on several issues; Brandon is invited to attend a music program.

Callie asks her biological father for a favor; Connor is pressured to end his friendship with Jude.

While Lena and Stef are away on a babymoon, the kids throw a party that gets out of hand.

Brandon struggles with a major medical decision. Stef seeks answers on Mike’s whereabouts.

When a Japanese ballet dancer is mysteriously murdered, Castle and Beckett’s investigation into her secret life uncovers evidence that she was killed by a ninja, and now that ninja is…

Sam gets frustrated with Gates when he gets obsessed with finding a homeless war hero. Neela is upset at her intern after he gets the entire surgery department into a…

When a Navy pilot is found dead under strange circumstances in a secluded area, the team finds themselves battling a no-nonsense attorney with a hidden agenda.