Cannon (1971)

Action · Crime · Drama

Cannon is a CBS detective television series produced by Quinn Martin which aired from March 26, 1971 to March 3, 1976. The primary protagonist is the title character, private detective Frank Cannon, played by William Conrad. He also appeared on two episodes of Barnaby Jones. Cannon is the first Quinn Martin-produced series to be aired on a network other than ABC. A "revival" television film, The Return of Frank Cannon, was aired on November 1, 1980. In total, there were 124 episodes.

IMDb rating: 6.8 (4,108 votes)
Episode average: 7.7 ↑ +0.9 vs IMDb
Seasons: 5
Language: EN
Type: TV series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

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Ratings refreshed Oct 3, 2026 · 5 seasons indexed

Cast

Seasons

Season 1 (1971)

7.50 avg 24 episodes 7.3 → 7.4 51 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Salinas Jackpot	7.3	197
2	Death Chain	7.5	163
3	Call Unicorn	7.5	171
4	Country Blues	7.5	179
5	Scream of Silence	7.6	156
6	Fool's Gold	7.5	163
7	Girl in the Electric Coffin	7.4	146
8	Dead Pigeon	7.5	139
9	A Lonely Place to Die	7.3	148
10	No Pockets in a Shroud	7.6	141
11	Stone, Cold Dead	7.7	133
12	Death Is a Double-Cross	7.9	158
13	The Nowhere Man	7.1	134
14	Flight Plan	7.5	133
15	Devil's Playground	7.4	140
16	Treasure of San Ignacio	7.1	125
17	Blood on the Vine	7.7	125
18	To Kill a Guinea Pig	7.4	138
19	The Island Caper	7.7	136
20	A Deadly Quiet Town	7.2	138
21	A Flight of Hawks	7.5	140
22	The Torch	7.8	130
23	Cain's Mark	8.0	133
24	Murder by Moonlight	7.4	128

Season 2 (1972)

7.57 avg 24 episodes 7.4 → 7.8 60 min avg

Rebound

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	Bad Cats and Sudden Death	7.4	128
2	Sky Above, Death Below	7.3	148
3	Bitter Legion	7.0	126
4	That Was No Lady	7.8	135
5	Stakeout	7.6	127
6	The Predators	7.6	121
7	A Long Way Down	7.2	133
8	The Rip-Off	8.2	132
9	Child of Fear	7.7	133
10	The Shadow Man	7.4	120
11	Hear No Evil	8.0	119
12	The Endangered Species	7.8	127
13	Nobody Beats the House	7.5	126
14	Hard Rock Roller Coaster	7.4	126
15	The Dead Samaritan	7.7	132
16	Death of a Stone Seahorse	7.6	127
17	Moving Target	7.3	113
18	Murder for Murder	7.5	104
19	To Ride a Tiger	7.4	107
20	Prisoners	7.6	123
21	The Seventh Grave	7.8	137
22	Catch Me If You Can	7.7	124
23	Press Pass to the Slammer	7.3	109
24	Deadly Heritage	7.8	121

Season 3 (1973)

7.84 avg 24 episodes 8.2 → 7.7 62 min avg

Season 3 episodes - IMDb ratings
#	Title	Rating	Votes
1	He Who Digs a Grave	8.2	163
2	Memo from a Dead Man	7.9	141
3	Hounds of Hell	7.6	125
4	Target in the Mirror	8.2	130
5	Murder by Proxy	7.8	119
6	Night Flight to Murder	7.8	121
7	Come Watch Me Die	8.0	117
8	Perfect Alibi	8.1	119
9	Dead Lady's Tears	7.9	120
10	The Limping Man	7.8	110
11	Trial by Terror	8.2	124
12	Murder by the Numbers	7.8	129
13	Valley of the Damned	7.7	115
14	A Well Remembered Terror	7.9	127
15	Arena of Fear	7.4	106
16	Photo Finish	7.9	122
17	Duel in the Desert	8.0	121
18	Where's Jennifer?	7.3	111
19	Blood Money	7.8	103
20	Death of a Hunter	7.3	119
21	The Cure That Kills	8.0	99
22	Bobby Loved Me	8.0	115
23	Triangle of Terror	7.9	100
24	The Stalker	7.7	123

Season 4 (1974)

7.95 avg 24 episodes 8.1 → 7.9 60 min avg

Season 4 episodes - IMDb ratings
#	Title	Rating	Votes
1	Kelly's Song	8.1	119
2	The Hit Man	8.1	104
3	Voice from the Grave	8.1	106
4	Lady in Red	8.2	126
5	The Deadly Trail	8.1	121
6	The Exchange	7.8	109
7	The Avenger	8.1	115
8	A Killing in the Family	8.2	114
9	Flashpoint	8.1	116
10	The Man Who Couldn't Forget	7.7	103
11	The Sounds of Silence	7.7	112
12	The Prisoner	8.0	93
13	Daddy's Little Girl	8.3	115
14	The Conspirators	8.2	116
15	Coffin Corner	7.7	118
16	Perfect Fit for a Frame	8.5	124
17	Killer on the Hill	7.7	100
18	Missing at FL307	8.1	99
19	The Set Up	8.0	98
20	The Investigator	7.8	98
21	Lady on the Run	7.5	93
22	Vengeance	7.4	90
23	Tomorrow Ends at Noon	7.4	96
24	Search and Destroy	7.9	101

Season 5 (1975)

7.83 avg 24 episodes 8.8 → 7.7 63 min avg

Rollercoaster

Season 5 episodes - IMDb ratings
#	Title	Rating	Votes
1	Nightmare	8.8	128
2	The Deadly Conspiracy: Part 1	8.2	118
3	The Wrong Medicine	8.4	101
4	The Iceman	8.0	93
5	The Victim	8.3	106
6	The Man Who Died Twice	7.8	97
7	A Touch of Venom	7.6	101
8	Man in the Middle	8.0	91
9	Fall Guy	7.7	103
10	The Melted Man	7.5	94
11	The Wedding March	8.1	126
12	The Hero	7.6	103
13	To Still the Voice	7.7	98
14	The Star	8.2	128
15	The Games Children Play	7.5	96
16	The Reformer	8.1	91
17	The House of Cards	7.8	94
18	Revenge	7.6	88
19	Cry Wolf	7.8	85
20	The Quasar Kill	6.0	102
21	Snapshot	7.9	92
22	Point After Death	8.2	98
23	Blood Lines	7.5	90
24	Madman	7.7	81