Mission Impossible

Leonard Nimoy becomes a member of the Impossible Missions Force and, as Paris of the IMF, helps crack a vital code by hijacking a plane so the enemy can capture one of the passengers, in the fourth season premiere episode.

Guest star Mai (cq) Britt is a dangerous obstacle when the IMF sets out to learn the number of her husband's Swiss hank account by convincing him World War III has started.

Leonard Nimoy, formerly of the "Star Trek" series, and guest star Dina Merrill join the Impossible Missions Force to fight a mind-destroying drug that could enslave the free world in the first of a two-part episode.

Jim Phelps lets himself be framed for murder in a scheme to discredit a scientist who has developed a mind-destroying drug in the second of a two-part episode.

Musical comedy star Sally Ann Howes plays a dramatic role as a guest member of the IMF when it sets out to foil a plot to ruin a friendly country with counterfeit money.

To free an imprisoned priest whose life is at stake, Jim Phelps poses as a missionary, Paris becomes a Chinese general and Barney builds a helicopter.