Astronomer Carl Sagan leads us on an engaging guided tour of the various elements and cosmological theories of the universe.
When millionaire Jack runs into Harold, a boy he bullied at school, he gives him a job. But Harold soon suspects his wife of having an affair with his new boss.
A butterfly hunt turns into a dangerous jungle excursion for Scooby and the gang.
In ""The Invisible Woman"" Harriet Winkler wishes to become invisible so she can spy on her philandering fiancee and finds that the one thing their relationship doesn't have is trust. And in ""The Snowbird"" Ned Pringle falls in love with one of the Flying Ferinis', a trapeze act, and in order for him to get close to her he takes on the challenge to become a trapeze artist himself.
A spaceship containing an alien vampire lands on Earth. The alien captures Princess Ariel and all the villagers in the ruins of Lakeside Amusement Park hidden under the snow and ice of the Rockies as a source of its food.
A kleptomaniac seeks the help of a psychiatrist to deal with her problem. He tries to distance himself from her when they begin falling for each other. Capt. Stubing's brother Marshall returns to the ship to get married. He has second thoughts when his fiancée reveals that she is broke, and is tempted by a past fling. A television star comes aboard the ship to accept a hero award on behalf of his character, a tough detective. A loudmouth begins harassing him, causing him to look bad in front of both his manager/girlfriend and number one fan Vicki.
When Herb is called for jury duty, Andy takes over as sales manager and soon discovers just how tough it is trying to sell advertising time or collect from deadbeat clients. Meanwhile, Venus becomes acting program director and has to deal with Les's plan to disguise himself as a black man so that he can do a series of reports based on the book Black Like Me.
In one of his latest experiments, David's attempt to control the Hulk backfires. He inadvertently releases a darker personality, causing the Hulk to be more violent--and potentially capable of murder!
Boss Hogg's honest, rich twin brother Abraham Lincoln Hogg (Sorrell Booke in a dual role) has come to Hazzard for the reading of their great aunt's will, which entitles a piece of land to both him and Boss. But Boss had Abe declared legally dead years ago and sold the land.
Jock is torn between Bobby and J.R. when J.R. decides to take back control of Ewing Oil, but Bobby refuses to relinquish his position. Meanwhile, Pam continues to search for her mother and Lucy's friends meet Mitch Cooper.
When Kip is discovered in the apartment without his Buffy disguise, Lilly Sinclair, the new manager of the hotel, decides to have the other residents vote on whether Buffy and Hildegarde are evicted or not.
Mindy teaches Mork about practical jokes, but Mork doesn't quite get the hang of pranks. After a disastrous prank, Mindy moves out to live with Glenda Faye for awhile. Glenda convinces Mindy to take Mork back.
Mary Ellen feels inadequate as a nurse to help Mountain folk. Against the Dean's advice, Mary Ellen applies for medical school.
When a potential Olympic champion is cut down in his prime his coach is accused of negligent homicide. A young lawyer, the only man who is willing to defend him, must rely on Quincy to find evidence to clear his clients' name.
When Drummond finally comes to, he is suffering from amnesia and unless he can regain his memory, he may lose not only his business, but also custody of Arnold, Willis and Kimberly.