A hard-nosed lieutenant tries to shape up CHP Central. Lieutenant ""Apple"" Bates has a hard time before he learns that he has the best troup all over L.A.
The truth about the creature is revealed. But its imprisonment may have already set in motion a terrible revenge.
In Acapulco, the Sea Beast of the Aztecs rises and scares away all the divers. Of course the gang have to investigate.
The pigs are excited that guest star Beverly Sills plans to perform the opera "Pigoletto" as the closing number.
Boss Hogg, a key witness in an upcoming federal trial for a criminal racketeer, enters the Witness Protection Program after his life is threatened, and chooses the Duke farm for his hiding place. While Boss constantly must dodge assassination attempts, Rosco takes over his "little fat buddy's" administrative duties, wearing Boss' white continental suits and relishing the job's absolute authority.
Miss Ellie must cope with Jock and Lucy's poor reaction to her mastectomy. Meanwhile, Sue Ellen meets up with Dusty at a hotel.
Miss Ellie worries that her marriage will fall apart when she believes she has breast cancer. Meanwhile, Sue Ellen has a fling with Dusty, the cowboy; and Alan furthers J.R.'s plan.
The cases of an easy-going ex-convict turned private investigator.
Captain Peacock is challenged to a boxing match by a member of another department. He backs out, and Mr. "Hugger" Humphries is "elected" to take his place in a wrestling match. He loses that match, but Mrs. Slocombe enters the ring and defeats the challenger.
'R.W. Collins', a famous hijacker who escaped by parachuting out of a plane with his money five years ago is found dead, hanging from a tree in the National Park he bailed out over. He died before he hit the ground and has been hanging there, undiscovered, for 5 years now. Quincy and Sam are sent to the scene to see if they can find out whom the man really was. When they reach the park, they find that things are a lot worse than they could have imagined, the anthrax particles he used to hijack the plane were released when the body was found and are spreading throughout the area infecting people who come into contact with it.
Hieronymous Fox, an 11-year-old child genius from the 20th Century is kidnapped for ransom by the sinister Roderick Zale. The boy is the President of the planet Genesia and his bodyguard fears that he will be killed because they cannot meet the ransom demand. Buck, Wilma, and the bodyguard then make separate attempts to rescue the boy.
During a visit to the States, Jill becomes involved with a wealthy European who invites her to his yacht, but their interlude is interrupted by sniper fire. Later, Jill and the Angels uncover Eric's identity as the crown prince of a small European country.
Quatermass emerges from the car park to find the stadium empty. So many have now been harvested that the particles of dust in the air have turned the sky green. Kapp attempts to repair his equipment in order to contact the alien presence, but the Planet People destroy his efforts. Quatermass plans to fake the presence of a large gathering of Planet People at Kapp's observatory and, when the force comes, to detonate a nuclear weapon. Kapp volunteers to stay behind with Quatermass to help detonate the bomb. The pair set up the trap and wait. Suddenly, Kickalong appears with a group of Planet People, including Quatermass' granddaughter, Hettie. The light appears, indicating that the alien force has arrived, but the shock of seeing his granddaughter among the Planet People causes Quatermass to suffer a heart attack. However, aided by Hettie, he is able to detonate the bomb. Later, according to Gurov, "The message was taken. It has not come again. We pray it will never come again".
When Tommy is rushed to the hospital for emergency surgery, Mary and Nicholas both feel culpable for different reasons; Merle and Susan adjust to the give and take of married life; Nancy plays travel guide for a visiting colleague from China who doesn't speak English.
Willis' cut-throat competitiveness with another boy at his gym leads him to a decision that he will very much regret, especially after it hurts Mr. Drummond and gives Arnold the right to say ""I told you so."" Baseball great Reggie Jackson makes his acting debut playing a key, but unsuspecting role in Willis' questionable scheme.
In a somewhat rebellious move after Howard and Marion won't let her go to Chicago for a concert, Joanie decides to become a model. However, she is unaware that the studio shoots nudes.
The Hart home is stripped of everything. It looks like an inside job and all clues point to Max's new love. When Max is framed for murder, the Harts intervene.
During a citywide garbage strike, Johnny jokingly suggests that his listeners dump their garbage on the steps of City Hall. The joke is on him, and the station, when hundreds of listeners take him seriously. Johnny becomes aware of his power and develops a serious case of mike fright.