| 1974 | Released the comedy album 'Holes and Mellow Rolls', building his national reputation on the NYC stand-up circuit. |
| 1975 | Created and starred in 'Welcome Back, Kotter' on ABC, the sitcom that launched John Travolta's career and ran four seasons. |
| 1976 | Released the comedy album 'Up Your Nose' on the heels of 'Kotter' fame, capitalizing on his prime-time audience. |
| 1979 | Made his big-screen debut in the basketball film 'Fast Break', expanding his profile beyond television. |
| 1981 | Starred in 'Lewis and Clark' on NBC, playing a New Yorker who buys a country-and-western bar in Texas. |
| 2007 | Published 'Kotter's Back: E-mails from a Faded Celebrity', a comic collection built around a prank email campaign inspired by a Celebrity Boxing inquiry. |
| 2021 | Returned to host 'High Stakes Poker' Season 8 on PokerGO alongside A.J. Benza, reviving the commentary partnership that defined the show's original run. |
| 2023 | Retired from poker commentary after the first episode of 'High Stakes Poker' Season 10 on PokerGO, closing a decades-long chapter as the voice of televised high-stakes cash games. |
| 2025 | Participated in media coverage marking the 50th anniversary of 'Welcome Back, Kotter', speaking with the Television Academy about the show's cultural legacy and its role in launching John Travolta. |
| 1990s | Became a premier poker commentator for the 'World Series of Poker' on ESPN, establishing a second high-profile career. |
Standup comedian and actor Gabe Kaplan is best known for playing the title role in the television series Welcome Back Kotter (1975-1979), the sitcom that launched the career of actor John Travolta. Following Kotter, Kaplan continued to in feature films and TV movies. He made his big-screen debut in Fast Break (1979). In 1981, Kaplan starred in the short-lived series Lewis and Clark as a New Yorker who buys a small country & western bar in Texas. Since then, Gabe has guest-starred on various television series’ such as Murder She Wrote and re-focused his attention to his great stand-up comedy act that launched him all those year ago.