The Best Episodes Directed By Susannah Ward

A desperate Mbande asks for help from Njinga, who attempts to make peace with the Portuguese. After an unexpected death, Njinga takes on a pivotal role.

In the kingdom of Ndongo, the king becomes a target as the opposition grows stronger. With loyalties divided at home, Njinga seeks a new ally on her own.

On February 15, 2013, a 7,000-ton asteroid crashed into the Earth's atmosphere over Russia with the power of 30 Hiroshima bombs. Within days, NOVA crews joined impact scientists in Russia as they hunted for clues about the meteor's origin and makeup.

Secrets of Scotland Yard breaks through the façade of the most famous police headquarters in the world: the very name Scotland Yard is synonymous with all that’s best in the detection of crime. Scotland Yard is the headquarters of one of the oldest police forces in the world – London’s Metropolitan Police Service – known to Londoners as ‘the Met’. Today, 33,000 Scotland Yard police officers safeguard one of the largest cities in Europe, patrolling nearly ten thousand miles of street, more than 200 miles of waterway, six hundred square miles of airspace, 24 hours a day, seven days a week