TV Guide Heroes & Icons Network Sunday

Gallagher meets in Scotland with Major General Hardy about a Ranger mission, providing an air support plan, but returning they're shot down over the North Sea.

The members of the Unit go on a careful mission, which is foiled by an unavoidable event; Mac and Tiffy are forced to handle teenage rebellion.

Jonas attempts to track down a Russian terrorist, who is making plans to bomb several cities in the United States; Molly is kidnapped and used as bait.

The Unit must locate and diffuse three dirty bombs heading for different locations across the country; one couple prepares to wed while another marriage ends.

Reno finds himself sympathizing to his latest bounty, a woman who is on the run from the law after accidentally killing her husband in self-defense.

Criminals are putting together a complicated plot to incriminate Bobby and put him away; the plan is put into action upon receiving a request.

Riley takes a trip to the Hog Island Oyster Company where they are observing the oysters to see what can be done about the acidification of the ocean.

The host performs experiments to demonstrate specific scientific principles related to selected scientific fields, including biology, chemistry and physics.

Dedicated individuals who work at the San Diego Zoo share glimpses into the world of wild animals providing a unique and up-close look at each animal.

The hosts explore a wide range of topics, from history and critical inventions to natural wonders and science in a quest to find all the answers.

An expedition throughout the animal kingdom with the goal of investigating traits and characters that are unique to different animals.

The Riddler finds a product that when applied to a surface, it melts a hole through it and although the U.S.A has a ban on it, he sneaks it through customs.

The Dynamic Duo makes an attempt to stop The Riddler from his plan to steal an Incan treasure, which has been lost for quite some time.

Diana and Steve go undercover at San Remo Air Force Base to look for a test flight of a new Z-400, and find out that a rock group is putting a spell on people.

A criminal exacts a longstanding vendetta against the staff of the Daily Planet by showing up at their offices and making threats in a mask.

Professor Pepperwinkle develops both a machine that can convert metal into gold and a strain of kryptonite that transforms Jimmy and Lois into superheroes.

An alien infant is sent from his dying planet to Earth, where he grows up to land a job as a photojournalist, while learning to harness his superpowers.

While visiting an aunt, Jimmy Olsen discovers that her island's lighthouse has mysteriously begun to light up for the first time in over 20 years.

Trivette's older brother is arrested during a drug raid and Trivette and Walker become concerned when a powerful drug kingpin posts his bail.

C.D. suspects the influences of foul play in the death of a friend, while the rest of the Rangers search for a convict that has escaped.

Ranger Walker finds that he must race against time in order to stop a loan shark from stealing the money donated to a telethon for charity.

Alex's attempts to prosecute a gang leader come into conflict when the key witness is intimidated by an act of arson that occurs at her home.

A mysterious terrorist faction threatens to release anthrax into a city within 48 hours, forcing Walker and Trivette to team up with two newcomers.

Walker fulfills his promise to Liam about discussing captivity; shocking details from the past affect the present to help the Rangers with a deadly threat.

Walker oversees a memorable Thanksgiving in the hopes of luring Stella home, but tensions rise when the family's annual "Circle of Thanks" leads to grievances.

An old female rival swaps bodies with Kirk in order to assume command of the Enterprise, and when Spock gets suspicious, she plots his and Kirk's death.

Data begins having strange nightmares, which may contain clues to mysterious happenings taking place on board the U.S.S. Enterprise.

Kai Opaka visits with a request to see the wormhole; a Gamma Quadrant distress signal leads to contact with two factions stuck in a repetitive, perpetual feud.

When an unfamiliar alien race wages war against the Voyager by infiltrating the crew's dreams, Chakotay must use lucid dreams to lead an attack against them.

A band of religious zealots holds the crew hostage and attempts the use Enterprise in their jihad against heretics on their homeworld.

A homeless mortal is wrongfully accused of murdering an Immortal after the investigation of a freak thunderstorm in the area.

A woman throws herself to her death but awakens to the realization that she is an Immortal, seeking out Duncan MacLeod as a mentor.

While visiting the courthouse, MacLeod, Tessa and Richie are taken hostage by a band of men who want to free their leader from imprisonment.

Bobbie has been tasked to look into the testimony of a convicted rapist and murderer on death row to find out if the man is actually innocent of the charges.