P - Pete

Q - Quarry, the cats for Mr. John Wilson

R = Ronnie Howard who played Stewart

S - Sara Seegar

T = Tommy

U - Uncle Ned

V = Vacation to Hawaii Mr. Wilson wanted to surprise Mrs. Wilson with

W = Wilsons

X - X marks the treasure spot on Wilson's map

Y = Yelling by Mr. Wilson

Z - Zambezi, the real name for a dog Dennis found

A = Alice Mitchell

B - The Boy Wonder

C = Esther Cathcart

D = Dennis

E - Ellen Corby, in Dennis and the Radio Set

F = Sylvia Field

G - Dennis's Garden

H = Herbert Anderson

I - Gregory Irvin (Johnny Brady)

J = Joseph Kearns

K - Keith Fowler, a writer

L = Loses his mind due to Dennis, Mr. Wilson does

M = Henry Mitchell

N - Best Neighbor--Wilson takes Dennis camping

O = Otis Quigley

P - Pig that John Wilson had

Q - Quickly gets frustrated with Dennis, Mr. Wilson does

R = Robert B. Williams

S - Stewart, a friend for Dennis in season 1

T = Tommy Anderson

U - U. S. Bonds contest that Dennis was trying to win

V - Valentine cards that Dennis sold

W - Wilson, Eloise

X - Xmas episodes

Y - Yes, the answer Dennis always wants from his parents

Z = Zealous to get married = Esther Cathcart

A - Tommy Anderson

B = Buzz

C - Captain Blast, from a season 1 ep.

D = Dennis!

E - Eloise, John Wilson's wife

F = Fred Ferguson

G - Georgianna, Mr. Wilson's niece

H - Herbert Anderson

I - Irked with Dennis, Mr. Wilson

J - Johnny Brady

K = Kearns, Joseph as George Wilson

L - List for groceries at Quigley's store

M = Mitchells

N - Nature, George and Henry tried to live off it, on a trip to the woods

O = Otis Quigley

P - go out and play, a typical mom or dad quote

Q = Otis Quigley

R = Dennis and the Rare Coin

S - Sam, Dennis's frog

T - Trouble, which Dennis has an uncanny knack for creating

U - Urgent call from Henry's boss

V - Very jealous Margaret

W - Wilsons

X - X on Wilson's treasure map

Y - Young Dennis

Z - Zapping aphids in Mr. Wilson's garden

A - Alice's Birthday

B - Billy Booth

C - Christmas tree Mr. Wilson chopped down and transported on a bus

D = Dennis!

E - Elliotte, John - writer

F = Fremont

G - Grandpa and Miss Cathcart, another guy she's after

H = Herbert Anderson

I - Irene Vernon, in the Christmas Horse

J - Joey McDonald

K = Hank Ketcham

L - Leaping frog contest that Wilson lured Mooney to bet on

M = Margaret

N - North, Jay

O = ornery Uncle Ned

P - Parley Baer, as the TV space guy in an early epside

Quaker Oats, a sponsor in the earlier part of the show.

R - Resting on the couch, often Henry was

S = Sylvia Field

T - Dub Taylor, actor who played Opie, the handyman who put in TV remotes

U = Uncle Ned

V - Valentines Dennis distributed in July

W = Wilsons

X - X on the treasure map Wilson marked and Dennis found

Y = Yelling, rather often, by Mr. Wilson

Z - Zambezi, the real name of the dog Dennis found

A = Alice

B - Brady, Johnny

C = Esther Cathcart

D - Drought was talked about in one episode, involving a rain dance

E = Edward Everett Horton

F - Fishing rod Dennis wants to buy for his dad

G = Gloria Henry

H = Hank Ketcham

I - Isabel Sanford as a lady who cast Dennis in a play

J = Jeepers Mr. Wilson!

K = Mr. Krinkie

L - Lucy Elkins, arch-enemy of both Mr. Wilsons

M = Margaret

N - North, Jay

O = Opie Swanson

P - Prayers Dennis said every night

O = Otis Quigley

R - Robert John Pittman

S = Sylvia Field

T - Mr. Trask, Henry's boss in the 4th season

U = Uncle Ned

V - Vaughn Taylor, who played John Wilson's editor in the Big Feet episode

W = Wilsons

X - on the treasure map Wilson made up for Dennis

Y = Yelling “Great Scott” when agitated = Mr. Wilson

Z - Zaremba, John--played a dog owner who got in a mixup with lovelorn Miss Cathcart

A = Alice Mitchell

B - Brad Johnson, who played Whip Crawford, the cowboy whose feet Dennis stood on

C = Esther Cathcart

D - A Dog's Life

E - Energetic Dennis

F - Friend Stewart, from season 1 appearances by Ronny Howard

G - Mr. Guth

H - Hannibal Coons, writer

I - Irene Tedrow

J - James Fonda, producer and writer

K - Mr. Krinkle

L - Louella MacFarlane, writer

M - Margaret Wade

N - Dennis's Newspaper

O - Obnoxious - Margaret

P - Mr. Wilson's Paradise

Q - Quintessential crank Mr. Wilson

R - Dennis, the Rain Maker

S - Soapbox Derby

T - A Tax on Cats

U - Uncle Ned

V - visit from John Wilson's Aunt Emma, final episode

W - Wilsons

X - on Wilson's treasure map for Dennis, who paced off and wanted to dig up the walkway

Y = Yelling by Mr. Wilson, usually Great Scott! Loudly.

Z - Zero, hopefully Dennis didn't get that on any tests

A - Alice Mitchell

B - Dennis Sells Bottles

C - Ms. Cathcart

D = Dennis Mitchell

E - Esther Cathcart

F = Sylvia Field

G - George Wilson

H = Herbert Anderson

I - Initiation for Dennis, so he can join Walter's club.

J = Joseph Kearns

K = Krinkle as in Mr. Krinkle

L - Lily from December Bride--appeared on the show, under her real name

M - Mrs. Elkins

N - New Neighbors

O - Owen, Tudor

P - Peggy Chantler, writer

Q - Quigley, Otis

R - Robert John Pittman

S = Sylvia Field

T - Tommy

U - Underfoot all the time = Dennis

V - Valentines Dennis created demand for in July

W = Wilsons

X - on Wilson's treasure map

Y - Yes, the answer Dennis always wants from his parents

Z - Zambezi the dog

A = Alice

B = Billy Booth as Tommy Anderson

C - Crawford, Whip - the cowboy whose feet were sore when Dennis stood on them

D - Dennis

E - Esther Cathcart

F = Fremont

G - The Going Away Gift

H = Henry

I = Imaginative = Dennis

I - Innocents in Space

J = Jeepers!

K - Keith Fowler, writer

L = Lucy Elkins

M - Miss Tarbell

N = Ned Matthews

O - Opie the handyman

P = Robert John Pittman

Q - Query from Dennis to an adult

R = Ron Howard

S - Stewart (played by Ron Howard)

T = Tommy

U - Paint-up, Clean-up Week

V = Aunt Emma Visits The Wilsons

W - (Dennis Learns to) Whistle

Xmas ep where Dennis connives to get his own pony.

Y - Young Boy, Dennis

Z = Zealous and determined to find out where presents are hidden in Xmas ep = Dennis

A - Artist Mr. Wilson, in one episode

B = Billy Booth

C - Charles Barton, director of many episodes

D = Dennis Mitchell

E - Esther Cathcart

F = Fremont

G - George Wilson

H = Henry Mitchell

I - Irritating Brady, Johnny's dad

J = Jeepers!

K - Hong Kong, girl from, that Dennis likes, to open season 4

L = Lucy Elkins

M - Mooney, Sgt.

N = Jay North

O - O'Brien-Moore, Erin--as a actress John Wilson is to do a life story on

P = Robert John Pittman

Q - Quigley the grocer

R = Rock-collecting contest Mr. Wilson holds

S = Sylvia Field

T - Dennis's Tree House

U = Uncle Ned

V - very annoying at times, Dennis

W - Wilson family

X - on Wilson's treasure map

Y - Young = Dennis

Z - Zambezi

A - Alice Mitchell

B = Billy Booth

C - Cathcart, Miss

D = Dennis!

E - Esther Cathcart

F = Fremont

G - Grouch Mr. Wilson

H = Henry Mitchell

I = Isabel Sanford as a lady who cast Dennis in a play

J - Joey

K = Hank Ketcham

L - Leslie, Phil--writer

M = Mitchells

N - The Man Next Door

O = Otis Quigley

P - Poor Mr. Wilson

O = Otis Quigley

R = Riviera Ballet

S - Stewart

T = Tommy

U - Unforgiving, everyone was, when the men were throwing away old love letters they had written

V = Aunt Emma Visits Tge Wilsons

W = Wilsons

Xmas ep where Dennis REALLY WANTS a pony.

Y - You Go Your Way

Z - Zambezi, the real name of the dog Dennis found

A - Anderson, Tommy

B = Billy Booth

C = Crawford

D - Don Taylor, a writer