After bombing at a stand-up comedy set, Troy sets out on a shroom-fueled quest to find his true voice, connecting with friends and exes along the way.

When a young heiress, Juliette Carlton, is kidnapped for ransom, Hondo and the SWAT team go on a citywide search to bring her home before she is harmed. Also, the…

Back in 1969, the team goes undercover at NASA to stop Flynn from sabotaging the moon landing and killing the crew of Apollo 11.

Tommy helps Erica with her survival plan as the end of civilization approaches; Malina rushes to reunite with Tommy as a plot against them is formed; Matt Parkman’s attempts to…

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 meets her half-sister for the first time. Timothy starts a legal battle over his parental rights of the baby.

Callie worries about how her actions have impacted Jude. Emma puts Jesus in an awkward position.

Dani deals with the consequences for what happened with Brandon. Jude and Callie spend the day on the Quinn’s yacht.

Callie returns to the Girl’s United home to deal with lingering issues. Mariana and Jesus plan a group dinner for Mat and Hayley.

The kids attend a festival. Ana wants to make amends with the twins.

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

Kiara seeks help after being placed in an unfit foster home; Mariana downplays her high math scores.

The Adams fosters kids are not very excited to head out to the wilderness for a family camping trip, but Jesus shakes things up when he can no longer hold…

Stef and Lena attempt to understand Callie’s decision; Monte and Timothy’s disagreement over the school curriculum puts Lena in a tough spot; Mariana tries to get a talented dancer to…

Callie and Jude face separation. Brandon suffers guilt after sleeping with Dani.

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

Brandon is upset when he learns that his shared secret with Callie is in jeopardy. Lena and Stef’s mother, Sharon, disagrees over how Stef should handle her diagnosis. Meanwhile, Mariana’s…

Rayna begins to settle into the tour when she discovers that Deacon has joined Juliette’s band on the road, and she can’t help but think that maybe the time has…

Firehouse 51 prepares for their semi-annual firehouse inspection. Brett fights to save her paramedicine program. Commander Martin Pearce asks Severide for a favor.

Severide struggles with the cost of helping Det. Pryma with the Martucci case. Gallo campaigns for Herrmann to represent 51 at the National Firefighter’s Association’s Winter Conference. A familiar face…

Det. Pryma’s case comes to an explosive end with Kidd and Carver’s lives in danger. Brett installs an infant safe surrender box at 51. Violet is determined to take Emma…

Severide and Kidd work with CPD regarding a suspicious car wreck. Hawkins and Violet’s relationship is in jeopardy. Chloe and Cruz adjust to a new family dynamic.

Firehouse 51 must band together when one of their own is taken hostage.

Firehouse 51 tackles a fire caused by a dropped jet engine, and one of their own is accused of a theft related to the incident. Kidd and Boden disapprove of…

A family friend asks Herrmann for some advice on opening a bar. Tensions run high between Emma and Violet. Kidd struggles to keep her team together.

Mouch and Ritter work together to solve a murder mystery. Severide and Cruz tackle a food truck fire. Gallo goes to see Hawkins about Violet.

The big wedding day arrives and Firehouse 51 welcomes Casey back to celebrate the joyous occasion. Emma’s plans to replace Violet come to a shocking end.