S12E22: What You Don't Know Can Kill You
Seth's niece returns to Cabot Cove for her wedding only to have her groom die ""accidentally"" before the event.
Previous Episode 
Season 1
The Murder of Sherlock Holmes
S1E1 / 30 Sep 1984
Deadly Lady
S1E2 / 07 Oct 1984
Birds of a Feather
S1E3 / 14 Oct 1984
Hooray for Homicide
S1E4 / 28 Oct 1984
It's a Dog's Life
S1E5 / 04 Nov 1984
Lovers and Other Killers
S1E6 / 18 Nov 1984
Hit, Run and Homicide
S1E7 / 25 Nov 1984
We're Off to Kill the Wizard
S1E8 / 09 Dec 1984
Death Takes a Curtain Call
S1E9 / 16 Dec 1984
Death Casts a Spell
S1E10 / 30 Dec 1984
Capitol Offense
S1E11 / 06 Jan 1985
Broadway Malady
S1E12 / 13 Jan 1985
Murder to a Jazz Beat
S1E13 / 03 Feb 1985
My Johnny Lies Over the Ocean
S1E14 / 10 Feb 1985
Paint Me a Murder
S1E15 / 17 Feb 1985
Tough Guys Don't Die
S1E16 / 24 Feb 1985
Sudden Death
S1E17 / 03 Mar 1985
Footnote to Murder
S1E18 / 10 Mar 1985
Murder Takes the Bus
S1E19 / 17 Mar 1985
Armed Response
S1E20 / 31 Mar 1985
Murder at the Oasis
S1E21 / 07 Apr 1985
Funeral at Fifty-Mile
S1E22 / 21 Apr 1985
Season 2
Widow, Weep for Me
S2E1 / 29 Sep 1985
Joshua Peabody Died Here ... Possibly
S2E2 / 06 Oct 1985
Murder in the Afternoon
S2E3 / 13 Oct 1985
School for Scandal
S2E4 / 20 Oct 1985
Sing a Song of Murder
S2E5 / 27 Oct 1985
Reflections of the Mind
S2E6 / 03 Nov 1985
A Lady in the Lake
S2E7 / 10 Nov 1985
Dead Heat
S2E8 / 24 Nov 1985
Jessica Behind Bars
S2E9 / 01 Dec 1985
Sticks and Stones
S2E10 / 15 Dec 1985
Murder Digs Deep
S2E11 / 29 Dec 1985
Murder by Appointment Only
S2E12 / 05 Jan 1986
Trial by Error
S2E13 / 12 Jan 1986
Keep the Home Fries Burning
S2E14 / 19 Jan 1986
Powder Keg
S2E15 / 09 Feb 1986
Murder in the Electric Cathedral
S2E16 / 16 Feb 1986
One Good Bid Deserves a Murder
S2E17 / 23 Feb 1986
If A Body Meet A Body
S2E18 / 09 Mar 1986
Christopher Bundy -- Died On Sunday
S2E19 / 30 Mar 1986
Menace, Anyone?
S2E20 / 06 Apr 1986
The Perfect Foil
S2E21 / 13 Apr 1986
If the Frame Fits
S2E22 / 18 May 1986
Season 3
Death Stalks the Big Top (1)
S3E1 / 28 Sep 1986
Death Stalks the Big Top (2)
S3E2 / 05 Oct 1986
Unfinished Business
S3E3 / 12 Oct 1986
One White Rose for Death
S3E4 / 19 Oct 1986
Corned Beef And Carnage
S3E5 / 02 Nov 1986
Dead Man's Gold
S3E6 / 09 Nov 1986
Magnum on Ice (II)
S3E7 / 23 Nov 1986
Deadline for Murder
S3E8 / 16 Nov 1986
Obituary for a Dead Anchor
S3E9 / 07 Dec 1986
Stage Struck
S3E10 / 14 Dec 1986
Night of the Headless Horseman
S3E11 / 04 Jan 1987
The Corpse Flew First Class
S3E12 / 18 Jan 1987
Crossed Up
S3E13 / 01 Feb 1987
Murder in a Minor Key
S3E14 / 08 Feb 1987
The Bottom Line Is Murder
S3E15 / 15 Feb 1987
Death Takes a Dive
S3E16 / 22 Feb 1987
Simon Says, Color Me Dead
S3E17 / 01 Mar 1987
No Laughing Murder
S3E18 / 15 Mar 1987
No Accounting for Murder
S3E19 / 22 Mar 1987
The Cemetery Vote
S3E20 / 05 Apr 1987
The Days Dwindle Down
S3E21 / 19 Apr 1987
Murder, She Spoke
S3E22 / 10 May 1987
Season 4
A Fashionable Way to Die
S4E1 / 20 Sep 1987
When Thieves Fall Out
S4E2 / 27 Sep 1987
Witness for the Defense
S4E3 / 04 Oct 1987
Old Habits Die Hard
S4E4 / 11 Oct 1987
The Way To Dusty Death
S4E5 / 25 Oct 1987
It Runs In The Family
S4E6 / 01 Nov 1987
If It's Thursday, It Must Be Beverly
S4E7 / 08 Nov 1987
Steal Me a Story
S4E8 / 15 Nov 1987
Trouble in Eden
S4E9 / 22 Nov 1987
Indian Giver
S4E10 / 29 Nov 1987
Doom with a View
S4E11 / 13 Dec 1987
Who Threw the Barbitals in Mrs. Fletcher's Chowder?
S4E12 / 03 Jan 1988
Harbinger of Death
S4E13 / 24 Jan 1988
Curse of the Daanav
S4E14 / 07 Feb 1988
Mourning Among the Wisterias
S4E15 / 14 Feb 1988
Murder Through the Looking Glass
S4E16 / 21 Feb 1988
A Very Good Year for Murder
S4E17 / 28 Feb 1988
Benedict Arnold Slipped Here
S4E18 / 13 Mar 1988
Just Another Fish Story
S4E19 / 27 Mar 1988
Showdown in Saskatchewan
S4E20 / 10 Apr 1988
Deadpan
S4E21 / 01 May 1988
The Body Politic
S4E22 / 08 May 1988
Season 5
J.B. As in Jailbird
S5E1 / 23 Oct 1988
A Little Night Work
S5E2 / 30 Oct 1988
Mr. Penroy's Vacation
S5E3 / 06 Nov 1988
Snow White, Blood Red
S5E4 / 13 Nov 1988
Coal Miner's Slaughter
S5E5 / 20 Nov 1988
Wearing of the Green
S5E6 / 27 Nov 1988
The Last Flight of the Dixie Damsel
S5E7 / 18 Dec 1988
Prediction: Murder
S5E8 / 01 Jan 1989
Something Borrowed, Someone Blue
S5E9 / 08 Jan 1989
Weave a Tangled Web
S5E10 / 15 Jan 1989
The Search for Peter Kerry
S5E11 / 05 Feb 1989
Smooth Operators
S5E12 / 12 Feb 1989
Fire Burn, Cauldron Bubble
S5E13 / 19 Feb 1989
From Russia ... With Blood
S5E14 / 26 Feb 1989
Alma Murder
S5E15 / 12 Mar 1989
Truck Stop
S5E16 / 02 Apr 1989
The Sins of Castle Cove
S5E17 / 09 Apr 1989
Trevor Hudson's Legacy
S5E18 / 16 Apr 1989
Double Exposure
S5E19 / 30 Apr 1989
Three Strikes, You're Out
S5E20 / 07 May 1989
Mirror, Mirror, On the Wall (1)
S5E21 / 14 May 1989
Mirror, Mirror, On the Wall (2)
S5E22 / 21 May 1989
Season 6
Appointment in Athens
S6E1 / 24 Sep 1989
Seal of the Confessional
S6E2 / 01 Oct 1989
The Grand Old Lady
S6E3 / 08 Oct 1989
The Error of Her Ways
S6E4 / 15 Oct 1989
Jack and Bill
S6E5 / 29 Oct 1989
Dead Letter
S6E6 / 05 Nov 1989
Night of the Tarantula
S6E7 / 12 Nov 1989
When the Fat Lady Sings
S6E8 / 19 Nov 1989
Test of Wills
S6E9 / 26 Nov 1989
Class Act
S6E10 / 03 Dec 1989
Town Father
S6E11 / 17 Dec 1989
Goodbye Charlie
S6E12 / 07 Jan 1990
If the Shoe Fits
S6E13 / 21 Jan 1990
How To Make a Killing Without Really Trying
S6E14 / 04 Feb 1990
The Fixer-upper
S6E15 / 11 Feb 1990
The Big Show of 1965
S6E16 / 25 Feb 1990
Murder: According to Maggie
S6E17 / 04 Mar 1990
O'Malley's Luck
S6E18 / 25 Mar 1990
Always a Thief
S6E19 / 08 Apr 1990
Shear Madness
S6E20 / 29 Apr 1990
The Szechuan Dragon
S6E21 / 06 May 1990
The Sicilian Encounter
S6E22 / 20 May 1990
Season 7
Trials & Tribulations
S7E1 / 16 Sep 1990
Deadly Misunderstanding
S7E2 / 23 Sep 1990
See You in Court, Baby
S7E3 / 30 Sep 1990
Hannigan's Wake
S7E4 / 28 Oct 1990
The Family Jewels
S7E5 / 04 Nov 1990
A Body to Die For
S7E6 / 11 Nov 1990
The Return of Preston Giles
S7E7 / 18 Nov 1990
The Great Twain Robbery
S7E8 / 25 Nov 1990
Ballad for a Blue Lady
S7E9 / 02 Dec 1990
Murder in F Sharp
S7E10 / 16 Dec 1990
Family Doctor
S7E11 / 06 Jan 1991
Suspicion of Murder
S7E12 / 20 Jan 1991
Moving Violation
S7E13 / 03 Feb 1991
Who Killed J.B. Fletcher?
S7E14 / 10 Feb 1991
The Taxman Cometh
S7E15 / 17 Feb 1991
From the Horse's Mouth
S7E16 / 24 Feb 1991
The Prodigal Father
S7E17 / 10 Mar 1991
Where Have You Gone, Billy Boy?
S7E18 / 17 Mar 1991
Thursday's Child
S7E19 / 07 Apr 1991
Murder, Plain & Simple
S7E20 / 28 Apr 1991
Tainted Lady
S7E21 / 05 May 1991
The Skinny According to Nick Cullhane
S7E22 / 12 May 1991
Season 8
Bite the Big Apple
S8E1 / 15 Sep 1991
Night Fears
S8E2 / 22 Sep 1991
Unauthorized Obituary
S8E3 / 29 Sep 1991
Thicker Than Water
S8E4 / 06 Oct 1991
Lines of Excellence
S8E5 / 03 Nov 1991
Judge Not
S8E6 / 10 Nov 1991
Terminal Connection
S8E7 / 17 Nov 1991
A Killing in Vegas
S8E8 / 24 Nov 1991
The Committee
S8E9 / 01 Dec 1991
The List of Yuri Lermentov
S8E10 / 15 Dec 1991
Danse Diabolique
S8E11 / 05 Jan 1992
The Witch's Curse
S8E12 / 12 Jan 1992
Incident in Lot 7
S8E13 / 19 Jan 1992
The Monte Carlo Murders
S8E14 / 02 Feb 1992
Tinker, Tailor, Liar, Thief
S8E15 / 01 Mar 1992
Ever After
S8E16 / 08 Mar 1992
To the Last Will I Grapple With Thee
S8E17 / 15 Mar 1992
Programmed for Murder
S8E18 / 05 Apr 1992
Day of the Dead
S8E19 / 26 Apr 1992
Angel of Death
S8E20 / 03 May 1992
Badge of Honor
S8E21 / 10 May 1992
Murder On Madison Avenue
S8E22 / 17 May 1992
Season 9
Murder in Milan
S9E1 / 20 Sep 1992
Family Secrets
S9E2 / 27 Sep 1992
The Mole
S9E3 / 04 Oct 1992
The Wind Around the Tower
S9E4 / 01 Nov 1992
The Dead File
S9E5 / 15 Nov 1992
Night of the Coyote
S9E6 / 22 Nov 1992
Sugar & Spice, Malice & Vice
S9E7 / 29 Nov 1992
The Classic Murder
S9E8 / 06 Dec 1992
A Christmas Secret
S9E9 / 13 Dec 1992
The Sound of Murder
S9E10 / 03 Jan 1993
Final Curtain
S9E11 / 10 Jan 1993
Double Jeopardy
S9E12 / 17 Jan 1993
Dead Eye
S9E13 / 07 Feb 1993
Killer Radio
S9E14 / 14 Feb 1993
The Petrified Florist
S9E15 / 21 Feb 1993
Threshold of Fear
S9E16 / 28 Feb 1993
The Big Kill
S9E17 / 07 Mar 1993
Dead to Rights
S9E18 / 21 Mar 1993
Lone Witness
S9E19 / 04 Apr 1993
Ship of Thieves
S9E20 / 02 May 1993
The Survivor
S9E21 / 09 May 1993
Love's Deadly Desire
S9E22 / 16 May 1993
Season 10
A Death in Hong Kong
S10E1 / 12 Sep 1993
For Whom the Ball Tolls
S10E2 / 26 Sep 1993
The Legacy of Borbey House
S10E3 / 03 Oct 1993
The Phantom Killer
S10E4 / 24 Oct 1993
A Virtual Murder
S10E5 / 31 Oct 1993
Bloodlines
S10E6 / 07 Nov 1993
A Killing in Cork
S10E7 / 21 Nov 1993
Love and Hate in Cabot Cove
S10E8 / 28 Nov 1993
Murder at a Discount
S10E9 / 05 Dec 1993
Murder in White
S10E10 / 19 Dec 1993
Northern Explosion
S10E11 / 02 Jan 1994
Proof In The Pudding
S10E12 / 09 Jan 1994
Portrait of Death
S10E13 / 16 Jan 1994
Deadly Assets
S10E14 / 23 Jan 1994
Murder on the Thirtieth Floor
S10E15 / 06 Feb 1994
Time to Die
S10E16 / 06 Mar 1994
The Dying Game
S10E17 / 13 Mar 1994
The Trouble with Seth
S10E18 / 27 Mar 1994
Roadkill
S10E19 / 01 May 1994
A Murderous Muse
S10E20 / 15 May 1994
Wheel of Death
S10E21 / 22 May 1994
Season 11
A Nest of Vipers
S11E1 / 25 Sep 1994
Amsterdam Kill
S11E2 / 02 Oct 1994
To Kill a Legend
S11E3 / 09 Oct 1994
Death in Hawaii
S11E4 / 16 Oct 1994
Dear Deadly
S11E5 / 23 Oct 1994
The Murder Channel
S11E6 / 06 Nov 1994
Fatal Paradise
S11E7 / 13 Nov 1994
Crimson Harvest
S11E8 / 20 Nov 1994
Murder by Twos
S11E9 / 27 Nov 1994
Murder of the Month Club
S11E10 / 04 Dec 1994
An Egg to Die For
S11E11 / 11 Dec 1994
The Scent of Murder
S11E12 / 08 Jan 1995
Death 'n Denial
S11E13 / 22 Jan 1995
Murder in High "C"
S11E14 / 05 Feb 1995
Twice Dead
S11E15 / 12 Feb 1995
Film Flam
S11E16 / 19 Feb 1995
Murder a la Mode
S11E17 / 26 Feb 1995
The Dream Team
S11E18 / 19 Mar 1995
School for Murder
S11E19 / 30 Apr 1995
Another Killing in Cork
S11E20 / 07 May 1995
Game, Set, Murder
S11E21 / 14 May 1995
Season 12
Nailed
S12E1 / 21 Sep 1995
A Quaking in Aspen
S12E2 / 28 Sep 1995
The Secret of Gila Junction
S12E3 / 05 Oct 1995
Big Easy Murder
S12E4 / 12 Oct 1995
Home Care
S12E5 / 19 Oct 1995
Nan's Ghost (1)
S12E6 / 02 Nov 1995
Nan's Ghost (2)
S12E7 / 09 Nov 1995
Shooting in Rome
S12E8 / 16 Nov 1995
Deadly Bidding
S12E9 / 23 Nov 1995
Frozen Stiff
S12E10 / 30 Nov 1995
Unwilling Witness
S12E11 / 14 Dec 1995
Kendo Killing
S12E12 / 04 Jan 1996
Death Goes Double Platinum
S12E13 / 07 Jan 1996
Murder in Tempo
S12E14 / 11 Jan 1996
The Dark Side of the Door
S12E15 / 01 Feb 1996
Murder Among Friends
S12E16 / 08 Feb 1996
Something Foul in Flappieville
S12E17 / 15 Feb 1996
Track of a Soldier
S12E18 / 25 Feb 1996
Evidence of Malice
S12E19 / 28 Mar 1996
Southern Double-Cross
S12E20 / 04 Apr 1996
Race To Death
S12E21 / 28 Apr 1996
What You Don't Know Can Kill You
S12E22 / 05 May 1996
Mrs. Parker's Revenge
S12E23 / 12 May 1996
Death by Demographics
S12E24 / 19 May 1996
