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A tribute to "Star Trek" features appearances by many cast members associated with the show's legacy.

The creators of the "Star Trek" TV shows, interviews and a preview of "Star Trek VI" celebrate the anniversary of the first series.

A retrospective celebrates the popularity of the various "Star Trek" series; host Jason Alexander.

William Shatner, Leonard Nimoy and other cast members salute three decades of the series and its transformations.

After giving his life savings to a stranger as payment for farmland on which he hopes to retire, a gullible ex-cavalryman sets out into the wilderness to find it.

The Navy uses sea mammals for deep-water work.

Marlin's crew treks to Okavango Swamp in Botswana, Africa, to observe the graceful black and white fish eagles that reside there and understand their habits and habitat.

In Iran a team moves onagers to a better range.

Exotic birds live in India's Bharatpur forest.

Life abounds in the deserts of the Southwest.

Peter discovers he has a look-alike at school and takes him home to play a trick on his family.

Bobby and Oliver become convinced they have discovered a spy plot that involves Mike.

Granny recruits her own commandos against the Union when she thinks battle scenes for a Civil War movie are the real thing.

Granny thinks she has captured Gen. Grant and sets out to woo him by donning a bathing suit.

Andy does some fast-talking with an antiques dealer to get rid of the town's old, worthless cannon. But when Opie mimics his father's antics, Andy begins to have second thoughts about his dealing.

In order for Lucy to hide from Ricky that she is snooping in the new neighbors' apartment, she hides in their closet where she hears them planning to blow up the capital, not knowing that they're rehearsing a play.

The bathtub overflows while Ward and June are away for the night.

Bad school-bus behavior gets Beaver suspended.

Having endured several attempts on her life, an actress hires the Angels to find the would-be killer.

Jennifer places a Valentine candy order with Mrs. Bittersweet, unaware the shop proprietor dabbles in murder and espionage.

A pair (Red Buttons, Billy Barty) of chiselers kidnaps Tattoo; two orphans have a choice of parents; guest Juliet Mills.

Vicki meets a young passenger with a drug problem; Gopher's uncle (Red Buttons) falls in love; a man enters into a competitive romance.

Dorothy must face her ex-husband Stanley Zbornak when her daughter announces her upcoming wedding.

Guinness World Record holder Telina, who collects pizza-related items, shows off a pizza swag chain, a pizza dress and a pizza box from a cult classic movie; John, known for his toy expertise, valuates her collection and presents an offer.

Alarmed at the poor physical condition of his unit, Col. Potter decides to hold an M*A*S*H Olympics.

Winchester and Hot Lips get food poisoning from an imported can of pheasant; Hawkeye is reprimanded for fighting.

Rose finds herself romantically involved for the first time since her husband's death.

Blanche must decide whether to donate one of her kidneys to the sister she hates.

Dorothy's attractive date flirts with Blanche, sparking a rivalry between the two.

Blanche's unruly teenage grandson visits, and goes out every night with a rough crowd.

Ray tries to talk to Ally about the birds and the bees, but she's more interested in learning about the meaning of life.

Debra runs for school board president, but she might lose Ray's vote because he doesn't like being left to care for the children.

Concerned about getting old, Archie encounters an old buddy who convinces him that looks aren't everything.

A lost magazine and a found poem initiate a family feud on the right to privacy.

Rob is skeptical when Laura's new writing teacher thinks she shows promise.

Laura proves more proficient than Rob in the art of self-defense.

Ralph takes an ill-timed look into the future with results that prove highly amusing to everyone but him.

Ralph takes Ed on a business trip and discovers that being his brother's keeper is not all it is cracked up to be.

Disguised as a carnival troupe, the IMF plans to rescue an Eastern European freedom-movement head from prison.

Wounded Kimble seeks out Sister Veronica (Eileen Heckart), who helped him two years earlier; guest Antoinette Bower.

Harry's investigation into a doctor's questionable activities has fatal repercussions for a friend of the detective; guest Ruth Roman.

A woman and her son-in-law agree to keep the Gypsy community under control if Friday will give them some illegal help.

After a child is injured, Friday and Gannon discover the parents to be child abusers.

Malloy and Reed call at a house where a girl is suffering from the ill effects of narcotics.

Hogan cons Klink into letting him pose as the prison commander.

Cartoon curator Bill and Toony the Tuna showcase classic cartoons featuring popular characters like Bugs Bunny, Daffy Duck and Tom and Jerry.

Beaver wins a bike at the movie theater on the day he was told to stay home.

June sends Beaver's teacher a nude baby picture of Beaver for a school contest.

A gorgeous, towel-clad sunbather tells Perry that all her possessions have been stolen.

A movie star's former bodyguard, now a rebellious biker, is the primary suspect in the actor's murder.

A crime writer finds a body and prompts the reopening of the case of a long-missing youth; guest Eileen Heckart.

A publisher wants to print John-Boy's manuscript, although the author is missing in action; Jeff doesn't want Reckless put to sleep.

Bitter townspeople don't want an elderly gunfighter buried next to his wife in their cemetery.

An outlaw (Lloyd Bochner) introduces himself as a Russian nobleman to get close to a countess and her jewels.

A traveling salesman is accused of forcing his attentions on a local woman.

Lucas faces lynching for unwittingly buying stolen horses.

The team attempts to turn Patrick's saloon-owning daughter into a more traditional woman.

The extreme gratitude of a rescued couple (Ruth Buzzi, Dick Van Patten) interferes with the paramedics' routine; guest Royal Dano.

Hawkeye and Margaret go to give a demonstration at the 8063rd.

Hawkeye and Hot Lips come under heavy artillery fire in enemy territory, with Hawkeye receiving a leg wound.

B.J. borrows $200 from Charles to send to his wife, only to have Charles take advantage of him in various ways.

Charles' French horn practicing causes Hawkeye and B.J. to go on a bath strike.

Aunt Bee, accused by Andy of being a gossip, proves that men are bigger gossips than women.

Andy becomes the judge of a beauty contest in Mayberry and must figure out how to pick a winner without hurting everyone's feelings and damaging his own love life.

When Ray and Debra agree to start calling each other's mother "mom," Marie has a surprising reaction.

A feud erupts between Debra and Marie, forcing the rest of the family to choose sides and making Frank and Ray to do the talking for them.

Sophia challenges Dorothy to prove she is spry enough to take a trip to Italy.

After a burglar enters the house, Rose buys a gun to feel more safe.

Ken Berry and Nanette Fabray join in tonight's episode; Carol plays a dowdy secretary discouraging some glamorous temp applicants, and the movie spoof Flight 13 To Nowhere.

An innocent man trying to build a new life after prison is implicated in murder; guests Marie Windsor, Phillip Pine.

An astronaut (Richard Basehart) learns war has killed his people.