Danny is faced with the dilemma of arresting a suspect who brings in a suspicious weapon in a gun buyback program.
When a deadly car accident leads Charlie and Rex to investigate reports of a mysterious blue light in the sky, they discover the truth is more science than fiction.
Men dressed as clowns are robbing banks at gunpoint. During one heist, an ex-partner of Walker's is killed. Walker and Trivette are determined to find the ruthless group. Walker helps the dead ranger's children cope with their loss.
While trying to help Cass learn to handle a spirited horse, Amy discovers there is more riding on their success than she initially realized.
When their plans to get away are thwarted, Amy and Ty celebrate their first anniversary closer to home and Amy unveils a special surprise.
As Amy and Ty prepare for parenthood, they work together to resolve a dangerous pregnancy issue.
A policeman learns a few other policemen are stealing drugs from the evidence room in order to sell them. He is killed to keep him from telling Alex and Walker. The rangers investigate his death to find the dirty cops.
Car thieves are plaguing the city - they steal a specially adapted van used by a disabled boy. Walker is determined to find it for him.
The daughter of a wealthy Texas businessman is kidnapped by a Japanese gang. The ransom request is for the businessman to turn over his security chief who had been a cop in Japan and was responsible for capturing many of the gang members.
It's Thanksgiving Day in the Baxter house and Mike's father, Bud, takes everyone by surprise when he announces his plans for a career change and to open a recreational marijuana store.
After giving his great-grandson Boyd a spanking, Bud is surprised that Mike agrees with Kristen and Ryan about not using that style of discipline as a last resort.
Vanessa gives Boyd a "magical" elf doll, but Ryan tries to convince her that it's just an ordinary doll. Unfortunately, he is dealing with the wrong one, and Mandy goes all out for the housekeeper, Blanca.
Eve proudly posts one of Mike's politically charged vlogs on her Facebook page and the kids at her school start giving her a hard time for her views.
When Boyd becomes a problem at school because he resists sitting still in class and gets bored easily, a school counselor suggests he take medication for ADHD.
When tasked with researching the namesake of his school, Boyd gets a little help from Kristin and Ryan. His report ends up causing outrage, prompting the school to reconsider its name.
A large bouquet of roses is delivered anonymously to the Baxter's house on Valentine's Day, but Vanessa knows they're not for her because Mike doesn't believe in the frivolity of flowers on a Hallmark holiday.
The Baxters' neighbour Chuck Larabee stops by with his German Shepherd, Lady, to let them know that their tiny dog, Muffin, has impregnated his dog. Vanessa learns that chuck has separated from Carol.
Danny causes waves in his department when he opens up a closed case.
Danny and Jackie must protect a key witness in a mob trial after they uncover a leak in their task force.
Danny and Jackie investigate the suspicious death of a high-rolling investor and a hit is put out on Jamie.
New York City is threatened with a biological weapon and frank must attempt to stop it while keeping the secret from his family.
When a young woman goes missing in The Barrens, suspicion turns to the woman's boyfriend; it's up to the team to uncover the truth behind her disappearance.