It's this moment where now both sides realize that no quarter will be asked, and no quarter will be given. Surrender is no longer even an option. You're in this to the end. You either die or you triumph, and there is no other alternative. Amid a spiral of brutality and low morale, Mehmed makes Giustiniani an enticing offer. The grand vizier urges Mehmed to seek a truce with his rival.

A look at two missions attempting one of the most difficult feats of space exploration - to collect a rock from another world. The film checks in on the US and Japanese attempts to bring a piece of an asteroid back to Earth. The missions have taken decades of planning, but the results will be worth it. We find out how studying these space rocks can teach us about the origins of our solar system and may one day help save Earth from a catastrophic collision.

The Red Sea is one of the youngest oceans in the world and one of the warmest. The northern region, with its diverse array of marine life, is one of the most visited dive locations on earth while the southern end remains virtually unexplored. It's a global hotspot for marine biology and an important trade route throughout human history, linking the trade goods of India and the Far East with the markets of Egypt and Europe.

Sultan Mehmed II's siege of Constantinople enters its third week. Mehmed's artillery teams continue their relentless bombardment of Constantinople's walls. After his navy suffers a devastating defeat, Mehmed moves his ships overland to the Golden Horn in a daring, visionary feat. In the shadow of betrayal, Giustiniani attacks the Ottoman fleet.

Oil theft has become big business in Nigeria. Travel to this Africa's oil-producing region to meet with oil thieves, and follows one farmer's attempt to sue a foreign oil company for poisoning his family's land. The lethal combination of gangs and guns has turned Chicago into a war zone. Visit the city's most dangerous areas.

The Moon Landing celebrates the historic 50th anniversary of Apollo 11, in a fresh and distinctive style. This inspiring documentary subverts usual conventions by beginning with the momentous event, exploring the preceding dramatic sixty minutes in granular detail.
Packed with surprising details which reveal a whole new perspective on the story of how humans landed on the moon, this documentary rewinds one hour before Neil Armstrong's famous footstep to reveal a whole untold story, hidden in the forensic moment-by-moment details driven by powerful footage from the time and authentic audio recordings from the capsule and the command module and mission control in Houston. In the last 60 minutes, the Apollo mission could fall apart. Without dazzling on-the-spot ingenuity, a 240,000-mile helpline to Houston, and almost unnatural abilities to remain calm under incredible pressure, the first step onto another world might not happen at all.