A high school classmate of John's is assigned as Squad 51's new paramedic trainee. The firemen rescue a man trapped in his kitchen after a hydrogen sulfide explosion. The paramedics help treat accident victims at the hospital and tend to child at an amusement park. When an intoxicated man turns out to be a snakebite victim, Roy is hit in the eyes with cobra venom. Back at the amusement park, a heart attack victim is trapped high in the air.
A temporary captain from 'the old school' doesn't feel Gage and DeSoto should be practicing 'medicine', and has no problem in expressing his opinion. An elderly man sets his chair on fire. Dr. Early keeps coming up with oranges when all he wants is an apple. The paramedics struggle to save a heart attack victim. A boy with asthma gets trapped in a storm drain. Dr. Brackett uses an old-fashioned sedative on a biker. Chemicals complicate a structure fire.
Johnny is assigned to conduct a school tour of Rampart hospital; the youngsters are highly inquisitive. A veteran mentally reliving a battle is subdued by the paramedics; he turns out to have a brain tumor. A woman gets stuck in a dog door. A famous novelist attempts suicide. A cargo plane crashes in a residential area, hitting a school bus.
The paramedics rescue a magician trapped in his trunk. Dr. Brackett's father is treated at the hospital for phlebitis. A fireplace explodes and falls on top of the homeowner. An auto accident sends a power transformer flying into a man's bedroom. Roy and John are puzzled by a gift from the magician. A fuel truck collides with a car and a gas main, trapping a woman and starting a fire.
John agrees that the losing baseball team at the fireman's picnic will pay for the picnic. Chet becomes Station 51's only hope when their pitcher breaks his arm. A drunk driver becomes violent after crashing his car; another man is trapped in a car with a tiger. A man with a back problem must be extricated from his water bed. A structure fire is complicated by moonshine.
An elderly man is trapped in his burning house. Chet becomes obsessed with ridding the station of an uninvited guest. Paramedics and doctors treat a man who suffers repeated cardiac arrests. Dixie comforts the husband of an elderly patient. Roy and John help break up a fight. Several crises occur at an apartment house hit by a jet fighter.
A young OD victim is brought into the ER. A man fakes back pain to get a free ride to the hospital. John gets peeved at all the frivolous calls the squad goes on while real emergency victims need help. A man is shocked after kicking in his TV screen. The ambulance carrying the paramedics and a heart attack victim is involved in a traffic accident.
A fireman is injured in a practice drill. Roy and John think they have a buyer for the old fire engine. A man suffers a back injury while riding a motorcycle. A mother pressures Dr. Morton to give her son a prescription. A man having a heart attack comes to the station. DeSoto and Gage rescue a man who has fallen off a cliff on Catalina Island.
Roy and John become candidates for a welfare committee. A man gets his arm stuck in an appliance drain while his brother aspirates on a can tab. A delirious child causes problems at the hospital. A sculptress' model is stuck inside a plaster cast. A construction worker is trapped on a crane.
John overtimes at Station 8 where an unavailable squad costs a heart attack victim his life. A boy falls from a tree. Chet is injured by an explosion. Doctors treat a tree surgeon. Roy is injured in a fireworks warehouse fire.
The station becomes aware of the Battalion Chief's impending inspection. A wife is convinced that her husband's heart transplant means he no longer loves her. Paramedics aid a parachutist snagged on a radio tower. Dr. Brackett treats a veterinarian. An accident victim goes into shock.
A hard-nosed female trainee is assigned to Roy and John. Freeway construction threatens an old couple's house. A man tries to commit suicide by gas, then changes his mind. A man suffers a heart attack and the paramedics are unable to revive him. Roy is electrocuted trying to save an invalid at a structure fire.
John gets ribbed about his cooking. The paramedics go to Catalina to help a diver, where John and a doctor treat the patient in a hyperbaric chamber. Roy and John help a famous chef with a kitchen fire. A youth suffers a serious gunshot wound. The firemen deal with a dust explosion at a structure fire.
En route to a rescue, Roy and John supposedly sideswipe an elderly crossing guard. A couple en route to a wedding hits a fire hydrant. A camper on fire drives up to the station house. A truck carrying insecticide overturns.
An elderly woman's stomach problems lead to a family brawl. Roy and John treat a drunk in a hotel with a broken elevator. Doctors treat a boy with meningitis. Paramedics respond to a two-car accident with no victims, treat a man who fell in the bathtub, and rescue a child trapped in a burning building.
Swamped with paperwork, the paramedics are continually distracted by emergencies: a girl trapped in an overturned car, a beautician who has taken too many diet pills, an elderly man, and workers stuck on a blazing ship.
The paramedics rescue a man from a manhole fire. Chet and John blow up the station's TV. Dr. Morton treats a man with a bleeding peptic ulcer. An aquarium is delivered to Dr. Brackett, who suffers a toxic reaction to a catfish bite. A man accidentally glues his eyes shut. A gas explosion and a mudslide trap a man in his house.
A young worker gets his arm caught in a machine. A communication snafu occurs between Squad 51 and the hospital. Dr. Morton treats a young violinist. Two boys get a car trapped on the roof of a house. A woman tries to commit suicide by overdosing and won't let the paramedics treat her, making them wait until she passes out. Chet sets a pair of skis on fire -- literally. A man is trapped underneath a car.
Roy thinks about buying a house, but delays too long. Responding to a structure fire, the firemen find two children trapped on the second floor. Two driving students are involved in a minor collision. Another traffic accident results in two injuries and a missing dog. A teenage epileptic is stranded on a concrete beam under a bridge.
Part One of a flashback episode: Roy convinces John to join the paramedic program. They must deal with the opposition from both medical and civil authorities, including one of their staunchest opponents: Dr. Brackett. Eventually seeing the advantages of the program, his testimony proves the key to getting paramedic legislation passed. The paramedics assist the victims of a car accident (including Dixie, who is injured at the scene) and rescue workers from a tunnel cave-in.