Star Trek: The Original Series: Vol. 1.10

ERRAND OF MERCY Stardate: 3198.4 When diplomatic negotiations break down between the United Federation of Planets and the Klingon Empire, a state of war is declared. The U.S.S. Enterprise is despatched to the strategically located planet Organia, where both Captain Kirk and Mr. Spock become stranded, as Klingons take over... US AIRDATE: 23.3.1967 THE CITY ON THE EDGE OF FOREVER Stardate: 3134.4 The U.S.S. Enterprise is drawn to a remote planet, where something is causing ripples to move through time. When McCoy suffers an accident, his delirium drives him to travel into the past, inadvertently altering history. In a desperate attempt to put things right, Kirk and Spock race after him... US AIRDATE: 6.4.1967 OPERATION - ANNIHILATE! Stardate: 3287.2 An outbreak of mass insanity is destroying whole civilisations as it cuts a cruel swathe across the galaxy. The U.S.S. Enterprise speeds to Deneva, home of Kirk's brother, Samuel and his family, to avert the next disaster. As they arrive, a suicide indicates that they may be too late... US AIRDATE: 13.4.1967