History

Fitting into the clean-cut roles that comedians occupied in the 1950s, two up-and-coming stand-ups make names for themselves; as society shifts and counter-culture movements take hold, both men realize they need to adapt their comedy.

Remember when playtime meant tempting fate?; from toy belts that fire speeding projectiles, to high-powered pogo sticks that send people soaring, to dolls that try to eat people alive, these playthings are made for kids, but their risks are anything but child's play; it's a mind-blowing, bone-rattling trip through the toys of yesteryear that remind people of a time when childhood was wild, free, a

Col. Potter plans to show his all-time favorite Western as a pick-me-up for the company's badly sagging morale.

Hawkeye and B.J. decide to do something about a helicopter pilot who uses natives to gather battlefield bric-a-brac to sell as war souvenirs.

Mike fixes a 1961 Cadillac to showcase and smash to pieces at Rust Valley's annual Demolition Derby; mechanic Dave enters a 1974 Chrysler New Yorker for the big event.

Kevin and his wife Sarah take on a special order; they need to find a one-in-a-million fir tree for a sailing school that is rebuilding a rare replica of a 1778-era schooner.

Exploring what the world would be like if salt and all of its vital contributions, from food preservation to enabling industry, were to suddenly disappear.

Mike fixes a 1961 Cadillac to showcase and smash to pieces at Rust Valley's annual Demolition Derby; mechanic Dave enters a 1974 Chrysler New Yorker for the big event.

Kevin and his wife Sarah take on a special order; they need to find a one-in-a-million fir tree for a sailing school that is rebuilding a rare replica of a 1778-era schooner.

A currency dog sniffs out thousands in undeclared cash; an aspiring actor can't keep track of the plot; officers arrest a wanted burglar.

An American's trip to Alaska heads south; officers suspect a convicted drug dealer is taking his business north; a ship containing weapons is searched.

The surgical teams must somehow cope with a critical shortage of blood during a grueling 18-hour operating session.

Maj. Houlihan's fiancé arrives at the 4077th and shocks Frank by asking him to be his best man.

This episode explores the strangest and most ghastly gigs ever.

A man changes personalities after a heart transplant; perfect circles of ice; a mother unrelated to her children.

The Army investigates paranormal activity; a boy loses his thumb; an ancient Indonesian skeleton.

Humanity has long been fascinated with the galactic worlds beyond our planet; analyzing what mysteries are yet to be solved about the surface of the Moon and what would happen to Earth if the Moon disappears; discussing if the impact craters and massive scar on Mars reveal a cataclysmic history on the barren Red Planet.

The surgical teams must somehow cope with a critical shortage of blood during a grueling 18-hour operating session.

Maj. Houlihan's fiancé arrives at the 4077th and shocks Frank by asking him to be his best man.

This episode explores the strangest and most ghastly gigs ever.

U.S. airline pilots are reporting near midair collisions with UFOs; Elizondo hears a never-told-before account from a major legacy airline pilot whose report of a glowing orange sphere while in the cockpit over Arizona is backed by photo evidence.

Lue identifies observable characteristics of UFOs.

While modern science has stopped many dangerous viruses and bacteria in their tracks, there is a concern that contagious germs could be traveling through the vacuum of space.

Some of the world's most valiant figures overcome the most bizarre circumstances; like a man who survives the apocalypse, or a woman involved in not one, but three maritime disasters; these are the stories of survival against all odds.

This episode explores the strangest and most ghastly gigs ever.

While modern science has stopped many dangerous viruses and bacteria in their tracks, there is a concern that contagious germs could be traveling through the vacuum of space.