Season 1 (1974)

7.60 avg 16 episodes 7.4 → 7.6 29 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	All the Way	7.4	396
2	The Lemon	7.6	303
3	Richie's Cup Runneth Over	7.8	280
4	Guess Who's Coming to Visit	7.7	273
5	Hardware Jungle	7.5	242
6	The Deadly Dares	7.6	256
7	Fonzie Drops In	7.6	246
8	The Skin Game	7.5	238
9	Breaking Up Is Hard to Do	7.5	221
10	Give the Band a Hand	7.5	224
11	Because She's There	7.8	237
12	In the Name of Love	7.5	207
13	Great Expectations	7.3	214
14	The Best Man	7.9	223
15	Knock Around the Block	7.8	224
16	Be the First on Your Block	7.6	205

Season 2 (1974)

7.69 avg 23 episodes 7.5 → 7.3 27 min avg

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	Richie Moves Out	7.5	244
2	Richie's Car	7.8	227
3	Who's Sorry Now?	7.8	186
4	You Go to My Head	7.3	196
5	R.O.T.C.	6.7	188
6	Haunted	8.2	258
7	Wish Upon a Star	7.9	206
8	Not with My Sister, You Don't	7.8	206
9	Big Money	7.7	178
10	A Star Is Bored	7.5	179
11	Guess Who's Coming to Christmas	8.7	446
12	Open House	7.8	203
13	Fonzie's Getting Married	7.7	193
14	The Cunningham Caper	8.0	215
15	The Not Making of a President	7.5	198
16	Cruisin'	7.5	206
17	The Howdy Doody Show	7.7	179
18	Get a Job	8.1	204
19	Fonzie Joins the Band	7.5	176
20	Fish and the Fins	8.0	201
21	Richie's Flip Side	7.1	180
22	Kiss Me Sickly	7.8	189
23	Goin' to Chicago	7.3	177

Season 3 (1975)

7.70 avg 24 episodes 7.8 → 7.5 25 min avg

Season 3 episodes - IMDb ratings
#	Title	Rating	Votes
1	Fonzie Moves In	7.8	186
2	The Motorcycle	8.0	180
3	Fearless Fonzarelli: Part 1	7.8	192
4	Fearless Fonzarelli: Part 2	7.8	179
5	The Other Richie Cunningham	8.0	161
6	Richie Fights Back	8.3	177
7	Jailhouse Rock	7.7	144
8	Howard's 45th Fiasco	7.3	141
9	Fonzie the Flatfoot	7.6	154
10	A Date with Fonzie	8.3	185
11	Three on a Porch	7.9	156
12	Fonzie's New Friend	7.8	148
13	They Call It Potsie Love	8.0	168
14	Tell It to the Marines	7.3	149
15	Dance Contest	8.2	164
16	The Second Anniversary Show	7.2	131
17	Fonzie the Salesman	7.6	149
18	Football Frolics	7.4	150
19	Fonzie the Superstar	7.5	148
20	Two Angry Men	7.5	148
21	Beauty Contest	7.5	146
22	Bringing Up Spike	7.2	150
23	A Sight for Sore Eyes	7.7	158
24	Arnold's Wedding	7.5	151

Season 4 (1976)

7.49 avg 25 episodes 7.3 → 6.9 26 min avg

Season 4 episodes - IMDb ratings
#	Title	Rating	Votes
1	Fonzie Loves Pinky: Part 1	7.3	160
2	Fonzie Loves Pinky: Part 2	6.9	163
3	Fonzie Loves Pinky: Part 3	7.0	144
4	A Mind of His Own	7.9	137
5	Fonzie the Father	7.5	126
6	Fonzie's Hero	7.9	137
7	A Place of His Own	8.1	136
8	They Shoot Fonzies, Don't They?	8.2	150
9	The Muckrakers	7.6	127
10	A.K.A. the Fonz	7.9	142
11	Richie Branches Out	7.1	159
12	Fonzie's Old Lady	7.5	134
13	Time Capsule	7.6	128
14	The Book of Records	7.3	125
15	A Shot in the Dark	8.0	135
16	Marion Rebels	7.5	128
17	The Third Anniversary Show	6.5	112
18	The Graduation: Part 1	7.4	128
19	The Graduation: Part 2	7.6	125
20	The Physical	8.1	136
21	Joanie's Weird Boyfriend	7.9	141
22	Fonz-How, Inc.	7.3	124
23	Spunky Come Home	7.0	130
24	The Last of the Big Time Malphs	7.3	131
25	Fonzie's Baptism	6.9	123

Season 5 (1977)

7.06 avg 27 episodes 6.7 → 7.3 30 min avg

Season 5 episodes - IMDb ratings
#	Title	Rating	Votes
1	Hollywood: Part 1	6.7	142
2	Hollywood: Part 2	6.9	141
3	Hollywood: Part 3	6.6	175
4	Hard Cover	7.9	140
5	My Cousin the Cheat	6.7	118
6	Fonsillectomy	7.5	132
7	The Apartment	7.1	122
8	Fonzie, Rock Entrepreneur: Part 1	7.2	126
9	Fonzie, Rock Entrepreneur: Part 2	7.3	117
10	My Fair Fonzie	7.6	120
11	Bye Bye Blackball	6.9	107
12	Requiem for a Malph	7.1	118
13	Nose for News	7.1	108
14	Grandpa's Visit	6.8	109
15	Potsie Gets Pinned	7.1	113
16	Joanie's First Kiss	7.3	124
17	Marion's Misgivings	7.1	110
18	Richie Almost Dies	8.0	167
19	Spunkless Spunky	6.4	110
20	Be My Valentine	5.8	127
21	Our Gang	7.2	109
22	My Favorite Orkan	8.5	260
23	Richie's Girl Exposes the Cunninghams	6.4	107
24	Do You Want to Dance?	6.5	124
25	Second Wind	6.8	106
26	Rules to Date By	6.9	111
27	Fonzie for the Defense	7.3	120

Season 6 (1978)

6.96 avg 27 episodes 6.5 → 7.4 30 min avg

Season 6 episodes - IMDb ratings
#	Title	Rating	Votes
1	Westward Ho!: Part 1	6.5	118
2	Westward Ho!: Part 2	6.1	110
3	Westward Ho!: Part 3	6.4	103
4	Fonzie's Blindness	7.3	144
5	Casanova Cunningham	6.5	113
6	Kid Stuff	7.2	112
7	Sweet Sixteen	6.7	106
8	Fearless Malph	7.0	118
9	The Evil Eye	6.3	124
10	The Claw Meets the Fonz	7.1	111
11	The Fonz Is Allergic to Girls	6.9	103
12	The First Thanksgiving	6.8	140
13	The Kissing Bandit	7.2	105
14	The Magic Show	6.4	106
15	Richie Gets Framed	7.0	103
16	Christmas Time	7.5	164
17	Smokin' Ain't Cool	7.1	119
18	Ralph vs. Potsie	7.1	105
19	Stolen Melodies	6.9	103
20	Married Strangers	6.6	101
21	Marion: Fairy Godmother	7.2	106
22	Fonzie's Funeral: Part 1	7.4	123
23	Fonzie's Funeral: Part 2	7.8	128
24	Mork Returns	7.3	152
25	The Duel	7.6	161
26	Chachi's Incredo Wax	6.7	99
27	Potsie Quits School	7.4	118

Season 7 (1979)

6.86 avg 25 episodes 6.4 → 6.8

Season 7 episodes - IMDb ratings
#	Title	Rating	Votes
1	Shotgun Wedding: Part 1	6.4	113
2	Chachi Sells His Soul	5.3	115
3	Fonzie Meets Kat	6.9	106
4	Marion Goes to Jail	7.1	92
5	Richie's Job	6.9	94
6	Richie Falls in Love	6.6	98
7	Fonzie's a Thespian	6.8	93
8	Burlesque	6.8	100
9	Joanie Busts Out	7.6	99
10	King Richard's Big Knight	7.0	97
11	Fonzie vs. the She-Devils	7.3	103
12	The Mechanic	6.5	102
13	They're Closing Inspiration Point	6.6	95
14	Here Comes the Bride, Again	6.9	94
15	Ah, Wilderness	6.9	111
16	Joanie's Dilemma	6.6	97
17	Hot Stuff	7.7	111
18	The New Arnold's	7.2	99
19	The Hucksters	6.8	91
20	Allison	7.2	102
21	Fools Rush In	7.2	96
22	Father and Son	7.0	95
23	A Potsie Is Born	7.0	94
24	The Roaring Twenties	6.3	97
25	Ralph's Family Problem	6.8	104

Season 8 (1980)

6.38 avg 22 episodes 6.4 → 5.3 30 min avg

Bad finale

Season 8 episodes - IMDb ratings
#	Title	Rating	Votes
1	No Tell Motel	6.4	105
2	Live and Learn	6.1	101
3	Dreams Can Come True	6.1	95
4	Hello, Roger	6.4	102
5	Joanie Gets Wheels	6.6	92
6	White Christmas	6.6	116
7	And the Winner Is...	6.3	87
8	If You Knew Rosa	6.5	92
9	The Sixth Sense	6.2	89
10	It Only Hurts When I Smile	6.3	94
11	Welcome to My Nightmare	6.2	100
12	Broadway It's Not	6.3	94
13	Bride and Gloom	6.7	96
14	Hello, Mrs. Arcola	6.9	98
15	Fonzie Gets Shot	6.3	111
16	Potsie on His Own	6.2	91
17	Tall Story	7.0	94
18	Scholarship	6.1	87
19	R.C. and L.B. Forever	6.5	96
20	Howard's Bowling Buddy	6.7	93
21	Mother and Child Reunion	6.7	99
22	American Musical	5.3	123

Season 9 (1981)

6.48 avg 22 episodes 6.6 → 6.5 30 min avg

Season 9 episodes - IMDb ratings
#	Title	Rating	Votes
1	Home Movies: Part 1	6.6	99
2	Home Movies: Part 2	6.5	94
3	Not with My Mother, You Don't	6.5	84
4	Another Night at Antoine's	6.4	86
5	Little Baby Cunningham	6.8	96
6	The Other Guy	6.3	90
7	Fonzie the Substitute	6.9	89
8	Just a Piccalo	6.7	103
9	No, Thank You.	6.2	91
10	Baby, It's Cold Inside	6.3	82
11	Hello, Tough Guy	6.4	86
12	To Beanie or Not to Beanie	6.3	89
13	Southern Crossing	6.7	113
14	Grandma Nussbaum	6.9	101
15	Poobah Doo Dah	6.0	91
16	A Touch of Classical	6.2	90
17	Hi Yo, Fonzie Away	7.1	100
18	Great Expectations	6.4	87
19	Hello, Flip	6.1	86
20	Chachi's Future	6.1	87
21	Tell-Tale Tart	6.7	90
22	Love and Marriage	6.5	89

Season 10 (1982)

6.44 avg 22 episodes 6.8 → 6.0 30 min avg

Season 10 episodes - IMDb ratings
#	Title	Rating	Votes
1	A Woman Not Under the Influence	6.8	97
2	Letting Go	6.4	89
3	Empty Nest	6.8	90
4	A Night at the Circus	6.5	101
5	A Little Case of Revenge	6.9	125
6	Who Gives a Hootenanny	6.1	87
7	Going Steady	7.1	98
8	Such a Nice Girl	6.3	87
9	There's No Business Like No Business	6.8	88
10	All I Want for Christmas	6.4	111
11	Since I Don't Have You	6.2	85
12	Hello, Pfisters	7.0	89
13	I Drink, Therefore I Am	6.6	89
14	Prisoner of Love	6.4	88
15	Life Is More Important Than Show Business	6.0	87
16	Nervous Romance	6.3	90
17	I'm Not at Liberty	6.3	85
18	Wild Blue Yonder	6.0	90
19	May the Best Man Win	6.3	88
20	Babysitting	6.0	87
21	Turn Around... And You're Home	6.4	89
22	Affairs of the Heart	6.0	88

Season 11 (1983)

6.52 avg 22 episodes 6.0 → 6.9 30 min avg

Rollercoaster

Season 11 episodes - IMDb ratings
#	Title	Rating	Votes
1	Because It's There	6.0	93
2	The Ballad of Joanie and Chachi	6.2	87
3	Where the Guys Are	6.6	102
4	Welcome Home: Part 1	7.6	115
5	Welcome Home: Part 2	7.5	106
6	Glove Story	5.9	94
7	Vocational Education	6.7	100
8	Arthur, Arthur	6.3	95
9	You Get What You Pay For	6.0	96
10	Kiss Me, Teach	6.6	101
11	The People vs. the Fonz	6.7	96
12	Like Mother, Like Daughter	6.1	93
13	Social Studies	5.9	84
14	The Spirit Is Willing	7.0	106
15	Fonzie Moves Out	6.3	93
16	Passages: Part 1	7.2	99
17	Passages: Part 2	7.8	131
18	So How Was Your Weekend?	6.2	90
19	Low Notes	5.8	89
20	School Dazed	6.2	100
21	Good News, Bad News	5.9	93
22	Fonzie's Spots	6.9	112

Happy Days (1974)

Cast

Seasons