Welcome Back, Kotter

• • Season 4
• Episode 01 - The Drop-Ins: Part 1
  11 September 1978
• Episode 02 - The Drop-Ins: Part 2
  11 September 1978
• Episode 03 - Don't Come Up and See Me Sometime
  25 September 1978
• Episode 04 - Once Upon a Ledge
  2 October 1978
• Episode 05 - The Sweatmobile
  9 October 1978
• Episode 06 - Beau's Jest
  16 October 1978
• Episode 07 - Barbarino's Boo-Boo
  21 October 1978
• Episode 08 - X-Rated Education
  28 October 1978
• Episode 09 - The Barbarino Blues
  3 November 1978
• Episode 10 - Washington's Clone
  11 November 1978
• Episode 11 - Frog Day Afternoon
  25 November 1978
• Episode 12 - A Little Fright Music
  2 December 1978
• Episode 13 - A Winter's Coat Tale
  16 December 1978
• Episode 14 - Bride and Gloom
  13 January 1979
• Episode 15 - Barbarino's Baby
  3 February 1979
• Episode 16 - The Goodbye Guy
  10 February 1979
• Episode 17 - Come Back, Little Arnold
  24 February 1979
• Episode 18 - The Sweat Smell of Success
  3 March 1979
• Episode 19 - The Gang Show
  17 March 1979
• Episode 20 - Oo-Oo, I Do: Part 1
  25 May 1979
• Episode 21 - Oo-Oo, I Do: Part 2
  25 May 1979
• Episode 22 - I'm Okay, But You're Not
  1 June 1979
• Episode 23 - The Bread Winners
  8 June 1979
• • Season 3
• Episode 01 - Sweathog Back-to-School Special
  10 September 1977
• Episode 02 - And Baby Makes Four: Part 1
  15 September 1977
• Episode 03 - And Baby Makes Four: Part 2
  15 September 1977
• Episode 04 - And Baby Makes Four: Part 3
  22 September 1977
• Episode 05 - Brother, Can You Spare a Million?
  29 September 1977
• Episode 06 - Just Testing
  6 October 1977
• Episode 07 - The Deprogramming of Arnold Horshack
  13 October 1977
• Episode 08 - What a Move
  20 October 1977
• Episode 09 - A Novel Idea
  27 October 1977
• Episode 10 - Barbarino in Love: Part 1
  3 November 1977
• Episode 11 - Barbarino in Love: Part 2
  10 November 1977
• Episode 12 - Kotter for Vice Principal
  17 November 1977
• Episode 13 - Swine and Punishment
  24 November 1977
• Episode 14 - Epstein's Madonna
  8 December 1977
• Episode 15 - A Sweathog Christmas Special
  15 December 1977
• Episode 16 - Sweatwork
  22 December 1977
• Episode 17 - Meet Your New Teacher: Batteries Not Included
  5 January 1978
• Episode 18 - Angie
  12 January 1978
• Episode 19 - Epstein's Term Paper
  19 January 1978
• Episode 20 - There's No Business: Part 1
  26 January 1978
• Episode 21 - There's No Business: Part 2
  2 February 1978
• Episode 22 - What Goes Up
  9 February 1978
• Episode 23 - Goodbye, Mr. Kripps
  16 February 1978
• Episode 24 - Horshack and the Madame X
  23 February 1978
• Episode 25 - The Kiss
  13 April 1978
• Episode 26 - The Return of Hotsy Totsy
  11 May 1978
• Episode 27 - Class Encounters of the Carvelli Kind
  18 May 1978
• • Season 2
• Episode 01 - Career Day
  23 September 1976
• Episode 02 - Inherit the Halibut
  30 September 1976
• Episode 03 - Sweatside Story
  7 October 1976
• Episode 04 - The Fight
  21 October 1976
• Episode 05 - The Museum
  28 October 1976
• Episode 06 - Gabe Under Pressure
  4 November 1976
• Episode 07 - Sweathog, Nebraska Style
  11 November 1976
• Episode 08 - Sadie Hawkins Day
  18 November 1976
• Episode 09 - Hello Ms. Chips
  2 December 1976
• Episode 10 - Horshack vs. Carvelli
  9 December 1976
• Episode 11 - Sweathog Clinic for the Cure of Smoking
  16 December 1976
• Episode 12 - Hark, the Sweatkings
  23 December 1976
• Episode 13 - A Love Story
  30 December 1976
• Episode 14 - Caruso's Way
  6 January 1977
• Episode 15 - Sweatgate Scandal
  13 January 1977
• Episode 16 - Kotter and Son
  20 January 1977
• Episode 17 - Chicken a la Kotter
  27 January 1977
• Episode 18 - Has Anyone Seen Arnold?
  3 February 1977
• Episode 19 - There Goes Number 5
  3 February 1977
• Episode 20 - The Littlest Sweathog
  10 February 1977
• Episode 21 - Radio Free Freddie
  17 February 1977
• Episode 22 - I'm Having Their Baby
  24 February 1977
• Episode 23 - I Wonder Who's Kissing Gabe Now
  3 March 1977
• • Season 1
• Episode 01 - The Great Debate
  9 September 1975
• Episode 02 - Basket Case
  16 September 1975
• Episode 03 - Welcome Back (Pilot)
  23 September 1975
• Episode 04 - Whodunit?
  30 September 1975
• Episode 05 - The Election
  7 October 1975
• Episode 06 - No More Mr. Nice Guy
  14 October 1975
• Episode 07 - Classroom Marriage
  21 October 1975
• Episode 08 - One of Our Sweathogs Is Missing
  28 October 1975
• Episode 09 - Mr. Kotter, Teacher
  4 November 1975
• Episode 10 - The Reunion
  18 November 1975
• Episode 11 - Barbarino's Girl
  25 November 1975
• Episode 12 - California Dreamin'
  2 December 1975
• Episode 13 - Arrividerci, Arnold
  16 December 1975
• Episode 14 - The Longest Weekend
  6 January 1976
• Episode 15 - The Sit-In
  13 January 1976
• Episode 16 - Follow the Leader: Part 1
  20 January 1976
• Episode 17 - Follow the Leader: Part 2
  22 January 1976
• Episode 18 - Dr. Epstein, I Presume
  29 January 1976
• Episode 19 - One Flu Over the Cuckoo's Nest
  5 February 1976
• Episode 20 - The Telethon
  12 February 1976
• Episode 21 - Kotter Makes Good
  19 February 1976
• Episode 22 - Father Vinnie
  26 February 1976