Mission: Impossible (season 7)

Mission: Impossible (1966–1973) (season 7)
Country of origin	United States
No. of episodes	22
Release
Original network	CBS
Original release	September 16, 1972 – March 30, 1973
Season chronology

The seventh and final season of the original Mission: Impossible originally aired Saturdays at 10:00–11:00 pm (EST) on CBS from September 16^[1] to December 9, 1972^[2] and Fridays at 8:00–9:00 pm (EST) from December 22, 1972^[3] to March 30, 1973.^[4]

Cast

Character	Actor	Main	Recurring
Jim Phelps	Peter Graves	Entire season
Barnard Barney Collier	Greg Morris	Entire Season
Lisa Casey	Lynda Day George	Entire Season
William Willy Armitage	Peter Lupus	Entire Season
Mimi Davis	Barbara Anderson	Seven episodes

Episodes

Series #	Episode #	Title	Directed by	Written by	Original Airdate	Production #[5]
150	1	"Break!"	Paul Krasny	Samuel Roeca & James L. Henderson	September 16, 1972	151
In New Orleans, Jim Phelps poses as a pool shark in order to locate microfilm in a dead agent's wristwatch. Robert Conrad guest stars. This is the first of seven episodes in which Barbara Anderson starred as Mimi Davis, who replaced Lynda Day George while she was on maternity leave (George's character Lisa Casey is explained to be "on some special assignments in Europe").
151	2	"Two Thousand"	Leslie H. Martinson	Harold Livingston	September 23, 1972	148
A nuclear physicist (Vic Morrow) who stole 50 kg of plutonium to sell to foreign interests is made to believe that the United States was leveled by a nuclear holocaust and that he has been catatonic for 28 years. This episode is similar to the episodes "Operation Rogosh" and "Invasion".
152	3	"The Deal"	Leslie H. Martinson	Teleplay: George F. Slavin and Stephen Kandel Story: George F. Slavin	September 30, 1972	152
The IMF must find the key to a safety deposit box containing $5 million, which is earmarked to buy the Syndicate's way into a country's takeover.
153	4	"Leona"	Leslie H. Martinson	Howard Browne	October 7, 1972	150
To rescue an undercover federal agent whose cover was blown, the IMF turns two mobsters (Dewey Martin, Robert Goulet) against one another by making one of them think he is seeing visions of his dead wife.
154	5	"TOD-5"	Lewis Allen	James D. Buchanan & Ronald Austin	October 14, 1972	155
In order to recover a stolen bioweapon canister of a bioweapon and ferret out a diabolical scientist's (Ray Walston) terrorist organization, the IMF makes the organization's courier believe he has been infected himself.
155	6	"Cocaine"	Reza S. Badiyi	Teleplay: Harold Livingston Story: Norman Katkov and Harold Livingston	October 21, 1972	156
In order to find out the drop location of the largest cocaine shipment ever to come to the United States, the IMF sets up an assistant (William Shatner) of a drug kingpin with what the assistant thinks is an opportunity to undercut him for a bigger payoff.
156	7	"Underground"	David Lowell Rich	Leigh Vance	October 28, 1972	149
In order to locate $27 million of Syndicate money, the IMF must take down a human smuggling ring which purports to smuggle criminals out of the country but, in reality, brainwashes them to give up the location of their stolen money and then disposes of them. This was the final episode of the original series to be scored by Lalo Schifrin.
157	8	"Movie"	Terry Becker	Teleplay: Anthony Bowers, Arthur Weiss and Stephen Kandel Story: Anthony Bowers	November 4, 1972	159
Barney poses as a director making a film about an unsolved murder committed by a Syndicate money man (John Vernon) in order to get hold of Syndicate financial records.
158	9	"Hit"	Reza S. Badiyi	Douglas Weir	November 11, 1972	158
The IMF plans to remove the remaining allies of an incarcerated Syndicate chief in order to obtain both the proof of his guilt in an unsolved murder and the identity of his secret partner known only as "The General." Robert Reed guest stars as a corrupt assistant DA. (Although Barbara Rhoades's character is referred to as Vicki Wells several times, the end credits call her "Vicki Holt.")
159	10	"Ultimatum"	Barry Crane	Teleplay: Harold Livingston Story: Shirl Hendryx and Harold Livingston	November 18, 1972	160
The IMF has less than one day to locate and disarm a hydrogen bomb planted somewhere in the western United States by a small group led by a brilliant nuclear physicist demanding the resignation of named Congressmen and cabinet officials and the reversal of certain foreign policies of US Government. This is the last of seven episodes in which Barbara Anderson starred as Mimi Davis.
160	11	"Kidnap"	Peter Graves	Samuel Roeca & James L. Henderson	December 2, 1972	161
In an off-book mission, a mob boss who lost money and records as a result of the IMF operation of the sixth season episode "Casino" (S06/E21) holds Jim Phelps hostage for the purpose of using the team to steal a letter from a safe deposit box that can be used to convict him of murder.
161	12	"Crack-Up"	Sutton Roley	Teleplay: Arthur Weiss Story: Robert & Phyllis White and Arthur Weiss	December 9, 1972	154
In order to bring down a brilliant hitman (Alex Cord), the team tricks him into believing he kills people during blackouts.
162	13	"The Puppet"	Lewis Allen	Leigh Vance	December 22, 1972	162
After the head of a criminal family is injured in a hunting accident and confined to bed, his younger brother (Roddy McDowall) wants to take control of the empire and change its policies. The IMF must determine the family's new criminal enterprise involving more than $100 million, discover the reason for the change of policy, and smash the new plan.
163	14	"Incarnate"	Barry Crane	Teleplay: Buck Houghton and Stephen Kandel Story: Buck Houghton	January 5, 1973	165
When the ruthless leader of a criminal gang (Kim Hunter) flees to a Caribbean island that has no extradition treaty with the U.S., the IMF uses her belief in the occult to induce her to return to the US of her own freewill so she can be captured and the gold she stole can be recovered.
164	15	"Boomerang"	Leslie H. Martinson	Howard Browne	January 12, 1973	164
After a mobster's wife kills him and takes his vital criminal records into her possession, the IMF induces a false belief in her that he survived and is trying to kill her so that the records can be located and turned over to the authorities.
165	16	"The Question"	Leslie H. Martinson	Stephen Kandel	January 19, 1973	157
A top KGN assassin (Gary Lockwood) claims to be defecting, and the IMF team (which includes Elizabeth Ashley) must kidnap him from the headquarters of an untrustworthy Federal Intelligence Service (FIS) in order to determine whether he's a genuine defector (or "defecting" for the purpose of feeding false intelligence).
166	17	"The Fountain"	Barry Crane	Stephen Kandel	January 26, 1973	163
After a Syndicate executive (George Maharis) steals incriminating computerized records, the IMF makes him believe he has stumbled onto a mystical society with the secret of eternal youth to gain possession of the records before his arch-rival (Cameron Mitchell) does.
167	18	"The Fighter"	Paul Krasny	Teleplay: Stephen Kandel and Nicholas E. Baehr Story: Orville H. Hampton	February 9, 1973	167
The IMF returns to boxing to expose and destroy the criminal boxing operations of the Syndicate handled by its man (Joe Maross) and his partner (William Windom) who is a corrupt promoter. The IMF was previously involved in the boxing ring in the third season, two-part episode "The Contender" (S03/E02 & S03/E03).
168	19	"Speed"	Virgil W. Vogel	Lou Shaw	February 16, 1973	147
The team is sent after a powerful drug-dealer (Claude Akins), whose daughter (Jenny Sullivan) is addicted to amphetamines. Partly filmed on location in San Francisco. This was the first episode produced for the seventh and final season of the original series.
169	20	"The Pendulum"	Lewis Allen	Calvin Clements Jr.	February 23, 1973	168
In order to prevent a secret terrorist organization known as "The Pendulum" from disrupting the power centers of the United States and executing a major attack on the country in a plan called "Project Nightfall," the IMF must convince a brilliant but ruthless member of the organization (Dean Stockwell) he's being recruited by a more powerful organization. This was the last episode produced for the original series.
170	21	"The Western"	Leslie H. Martinson	Arnold & Lois Peyser	March 2, 1973	166
After a brilliant thief Ed Nelson and his accomplice looted a country's national treasure of pre-Columbian art worth $5 million, the IMF makes the thief believe that he has precognitive visions in order to locate the art and prove his guilt. Prior to joining the cast of Mission: Impossible, Lynda Day George starred with Nelson and Percy Rodrigues (who appeared in the fourth-season episode "Chico" (S04/E17)) in The Silent Force, an Aaron Spelling television series having a similar premise as Mission: Impossible that aired for a single season in 1970–1971.
171	22	"Imitation"	Paul Krasny	Edward J. Lakso	March 30, 1973	153
A jewel thief (Barbara McNair) and her crew (which includes Pernell Roberts) steal the crown jewels of Marnsburg, a country hostile to the US. To prevent the sale of the jewels to the Syndicate, the IMF must recover the jewels and place them in a vault of Marnsburg's consulate without any help from the unfriendly country.

References

1. TV Listings for September 16, 1972
2. TV Listings for December 9, 1972
3. TV Listings for December 22, 1972
4. TV Listings for March 30, 1973
5. White, Patrick J. (1991). The Complete Mission: Impossible Dossier. New York: Avon Books. ISBN 0-380-75877-6.