1. The Big White Rat
Friday and Smith respond to and investigate reports of a drug ring.
Dragnet — Season 3
2. The Big Revolt
A woman reports her husband missing and Friday and Smith are assigned to find him.
3. The Big Bull
Smith takes a personal interest when a strong-arm bandit threatens his family if he doesn't back off the case.
4. The Big Betty
Friday and Smith track down a confidence ring who are selling defective watches.
5. The Big Sophomore
A teenage boy steals food for his starving family.
6. The Big Pill
Friday and Smith are on the trail of a gang that is robbing local drugstores.
7. The Big Lie
8. The Big Fake
A police rookie is accused of assaulting a citizen and stealing his money.
9. The Big Dream
Friday and Smith investigate the murder of a girl who came to Los Angeles with a dream of being an actress.
10. The Big Guilt
A man is found dead in an alley and it's up to Friday and Smith to find his killer and notify the man's wife.
11. The Big Will
Friday and Smith investigate the murder of a rich man.
12. The Big In-Laws
Friday and Smith try to capture a ring of truck hijackers.
13. The Big Lilly
14. The Big Kill
A cop is gunned down at home by a vengeful ex con. Friday must go under cover in prison to obtain a full confession.
15. The Big Lover
Friday and Smith investigate a con man that marries rich women just for their money.
16. The Big Thief
Robbers phone doctors for house calls then assault them and steal their drugs.
17. The Big Little Jesus
A statue of the Child Jesus is stolen from a church. Friday and Smith must find it before the paritioners miss it on Christmas morning.
18. The Big Eavesdrop
Friday and Smith overhear a suspicious conversation while on a coffee break in a diner.
19. The Big Trunk
Three men are taken into custody for the murder of a former vaudeville actress who owned a large steamer trunk. The three men maintain innocence.
20. The Big Youngster
Friday and Smith catch a boy who has been vandalising private property, but they discover that the boy's problems begin at home.
21. The Big Boys
The cops must stake out a hotel lobby and deal with a drunken desk clerk as they wait for four juvenile armed robbers to show up.
22. The Big Ham
Friday and Smith investigate the death of a young girl that is initially ruled a suicide but turns out to be murder.
23. The Big Chance
Signs point to foul play when a highway patrolman disappears from his car along a deserted road.
24. The Big Children
Three children are found abandoned, filthy and starving. Friday and Smith charge the mother with neglect.
25. The Big Poison
An elderly couple suddenly disappears from a fashionable neighborhood.
26. The Big Quack
A man posing as a doctor burgles the house of a woman who is mentally disturbed.
27. The Big Winchester
An elderly man appears to have killed himself with a rifle, but the cops soon learn that it was no accident.
28. The Big Shoplift
Friday and Smith are surprised to find a wealthy house wife is a shoplifter, until they discover that she is a kleptomaniac.
29. The Big Hit-Run Killer
A woman and her grandson are run down by a bakery truck, but the driver has an airtight alibi.
30. The Big Drink
31. The Big Girl
Friday and Smith hunt down the bandit queen; a tall, gorgeous woman who is on a rampage of robberies and shootings.
32. The Big Mattress
Friday and Smith investigate a corrupt cop.
33. The Big Pug
An elderly woman is badly beaten and robbed while on her way to the bank. The trail leads to an ex prize fighter.
34. The Big Frame
A man's body is found in the gutter and the only clue is a pair of skid marks found nearby.
35. The Big Plant
A woman disappears and her husband is the prime suspect, but Friday and Smith will have a hard time getting past his fierce guard dogs.
36. The Big Check
A check forger is victimizing small businessmen in a particular neighborhood.
37. The Big Threat
A man is beaten and robbed, then the thieves intimidate him and his family so he'll refuse to testify against them.
38. The Big Dare
A single mother is stabbed to death in her home. The list of suspects includes her teenage son and her many boyfriends.
39. The Big False Make
Friday begins to question a local gardener, who has been arrested for holding up a grocery store. During the interrogation Friday begins to have strong doubts about the man's confession.