S01E01
The Great Debate
Originally aired 1975-09-09
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S01E02
Basket Case
Originally aired 1975-09-16
S01E03
Welcome Back (Pilot)
Originally aired 1975-09-23
S01E04
Whodunit?
Originally aired 1975-09-30
S01E05
The Election
Originally aired 1975-10-07
S01E06
No More Mister Nice Guy
Originally aired 1975-10-14
S01E07
Classroom Marriage
Originally aired 1975-10-21
S01E08
One of Our Sweathogs is Missing
Originally aired 1975-10-28
S01E09
Mr. Kotter, Teacher
Originally aired 1975-11-04
S01E10
The Reunion
Originally aired 1975-11-18
S01E11
Barbarino's Girl
Originally aired 1975-11-25
S01E12
California Dreamin'
Originally aired 1975-12-02
S01E13
Arrividerci, Arnold
Originally aired 1975-12-16
S01E14
The Longest Weekend
Originally aired 1976-01-06
S01E15
The Sit-In
Originally aired 1976-01-13
S01E16
Follow the Leader (1)
Originally aired 1976-01-20
S01E17
Follow the Leader (2)
Originally aired 1976-01-22
S01E18
Dr. Epstein, I Presume
Originally aired 1976-01-29
S01E19
One Flu Over the Cuckoo's Nest
Originally aired 1976-02-05
S01E20
The Telethon
Originally aired 1976-02-12
S01E21
Kotter Makes Good
Originally aired 1976-02-19
S01E22
Father Vinnie
Originally aired 1976-02-26
S02E01
Career Day
Originally aired 1976-09-23
S02E02
Inherit the Halibut
Originally aired 1976-09-30
S02E03
Sweatside Story
Originally aired 1976-10-07
S02E04
The Fight
Originally aired 1976-10-21
S02E05
The Museum
Originally aired 1976-10-28
S02E06
Gabe Under Pressure
Originally aired 1976-11-04
S02E07
Sweathog, Nebraska Style
Originally aired 1976-11-11
S02E08
Sadie Hawkins Day
Originally aired 1976-11-18
S02E09
Hello, Ms. Chips
Originally aired 1976-12-02
S02E10
Horshack vs. Carvelli
Originally aired 1976-12-09
S02E11
Sweathog Clinic for the Cure of Smoking
Originally aired 1976-12-16
S02E12
Hark, the Sweatkings
Originally aired 1976-12-23
S02E13
A Love Story
Originally aired 1976-12-30
S02E14
Caruso's Way
Originally aired 1977-01-06
S02E15
Sweatgate Scandal
Originally aired 1977-01-13
S02E16
Kotter and Son
Originally aired 1977-01-20
S02E17
Chicken a la Kotter
Originally aired 1977-01-27
S02E18
Has Anyone Seen Arnold? (1)
Originally aired 1977-02-03
S02E19
There Goes Number 5 (2)
Originally aired 1977-02-03
S02E20
The Littlest Sweathog
Originally aired 1977-02-10
S02E21
Radio Free Freddie
Originally aired 1977-02-17
S02E22
I'm Having Their Baby
Originally aired 1977-02-24
S02E23
I Wonder Who's Kissing Gabe Now?
Originally aired 1977-03-03
S03E01
Sweathog Back-to-School Special
Originally aired 1977-09-10
S03E02
And Baby Makes Four (1)
Originally aired 1977-09-15
S03E03
And Baby Makes Four (2)
Originally aired 1977-09-15
S03E04
The Visit (3)
Originally aired 1977-09-22
S03E05
Brother, Can You Spare a Million?
Originally aired 1977-09-29
S03E06
Just Testing
Originally aired 1977-10-06
S03E07
The Deprogramming of Arnold Horshack
Originally aired 1977-10-13
S03E08
What a Move
Originally aired 1977-10-20
S03E09
A Novel Idea
Originally aired 1977-10-27
S03E10
Barbarino in Love (1)
Originally aired 1977-11-03
S03E11
Barbarino in Love (2)
Originally aired 1977-11-10
S03E12
Kotter for Vice Principal
Originally aired 1977-11-17
S03E13
Swine and Punishment
Originally aired 1977-11-24
S03E14
Epstein's Madonna
Originally aired 1977-12-08
S03E15
Sweathog Christmas Special
Originally aired 1977-12-15
S03E16
Sweatwork
Originally aired 1977-12-22
S03E17
Meet Your New Teacher: Batteries Not Included
Originally aired 1978-01-05
S03E18
Angie
Originally aired 1978-01-12
S03E19
Epstein's Term Paper
Originally aired 1978-01-19
S03E20
There's No Business (1)
Originally aired 1978-01-26
S03E21
There's No Business (2)
Originally aired 1978-02-02
S03E22
What Goes Up
Originally aired 1978-02-09
S03E23
Good-Bye, Mr. Kripps
Originally aired 1978-02-16
S03E24
Horshack and the Madame X
Originally aired 1978-02-23
S03E25
The Kiss
Originally aired 1978-03-09
S03E26
The Return of Hotsy Totsy
Originally aired 1978-05-11
S03E27
Class Encounter of the Carvelli Kind
Originally aired 1978-05-18
S04E01
The Drop-Ins (1)
Originally aired 1978-09-11
S04E02
The Drop-Ins (2)
Originally aired 1978-09-11
S04E03
Beau's Jest
Originally aired 1978-09-18
S04E04
Don't Come Up and See Me Sometime
Originally aired 1978-09-25
S04E05
Once Upon a Ledge
Originally aired 1978-10-02
S04E06
The Sweatmobile
Originally aired 1978-10-09
S04E07
Barbarino's Boo Boo
Originally aired 1978-10-21
S04E08
X-Rated Education
Originally aired 1978-10-28
S04E09
The Barbarino Blues
Originally aired 1978-11-04
S04E10
Washington's Clone
Originally aired 1978-11-11
S04E11
Frog Day Afternoon
Originally aired 1978-11-25
S04E12
A Little Fright Music
Originally aired 1978-12-02
S04E13
A Winter's Coat Tale
Originally aired 1978-12-16
S04E14
Bride and Gloom
Originally aired 1979-01-13
S04E15
Barbarino's Baby
Originally aired 1979-02-03
S04E16
The Goodbye Guy
Originally aired 1979-02-10
S04E17
Come Back, Little Arnold
Originally aired 1979-02-24
S04E18
Sweat Smell of Success
Originally aired 1979-03-03
S04E19
The Gang Show
Originally aired 1979-03-17
S04E20
Oo-Oo, I Do (1)
Originally aired 1979-05-25
S04E21
Oo-Oo, I Do (2)
Originally aired 1979-05-25
S04E22
I'm Okay, But You're Not
Originally aired 1979-06-01
S04E23
The Bread Winners
Originally aired 1979-06-08