Rex proves himself as a member of the Major Crimes team when he tails a kidnapper. Meanwhile, the clock is ticking as Charlie and the team realize the abduction is part of an elaborate plan.

When a thrill-seeking daredevil falls to his death, Charlie and Rex unravel a conspiracy within the city's parkour community.

When a woman is found comatose in a graveyard, Charlie and Rex dig up a cold case which may be connected. Donovan asks Charlie to spy on his daughter after she begins acting suspiciously.

When a controversial university professor is found dead in his classroom, Charlie and Rex investigate leads while Jesse goes undercover and soon finds himself danger.

The animal lovers of St. John´s are under suspicion as Charlie and Rex investigate the death of a professional pet sitter. At home, Charlie finds himself in need of Sarah´s help.

When the pharmacist at Charlie's aunt's retirement home is found dead, she alerts him to a mysterious string of recent fatalities among the home's residents.

Sarah finds herself in the middle of a hostage situation at a medical testing lab. When the team realizes there's no way inside without aggravating the gunman, Charlie sends Rex in to monitor the situation.

After a reviled restaurateur's food truck explodes, killing one of his employees, Charlie and Rex find themselves with a few too many suspects. A flirtation has Charlie torn between a possible new love and Rex's reaction.

A local morning show's host's husband is found dead.

Charlie, Rex and Sarah are thrown into the world of high art when a gallery curator is found murdered on his showroom floor with a sculpture missing.

A pair of activists break into a water bottling factory to get their message across when one is killed. But who did it? It's up to Hudson and Rex to find out.

The team moves quickly when Donovan's ex wakes up with blood on her hands and a dead roommate.

When a deadly car accident has Charlie and Rex investigating reports of a mysterious blue light in the sky, they discover the truth is more science than fiction.