Barney Miller - Detective Chano Amenguale disappeared after the second season and wasn’t mentioned until a few years later when a new detective was transferred in.
Happy Days - Chuck Cunningham was Richie’s older brother in Season 1, showed up for a couple of episodes in Season 2, and then was never seen again. Nobody spoke of him, and Richie had always been the oldest child in the Cunningham family.
Mork & Mindy - Mindy’s dad and grandma disappeared after the first season. Dad showed up once or twice later on, but not often.
MASH - Spearchucker Jones and Ugly John, two supporting characters from the movie and book, were part of the main cast but largely left out after Season One. No story mentioned the whereabouts of either men.
The West Wing - Mandy Hampton was put on a bus after Season 1 and there was much rejoicing. She was the worst character on the entire show.
Babylon 5 - Commander Jeffrey Sinclair abruptly left after Season 1, replaced by Captain John Sheridan, though Sinclair reappeared in a few later episodes as an ambassador. It wasn’t until years later that it was revealed that Sinclair’s actor, Michael O’Hare, was suffering from severe mental illness, and chose to leave the show to seek treatment.
Barney Miller - Detective Chano Amenguale disappeared after the second season and wasn’t mentioned until a few years later when a new detective was transferred in.
Happy Days - Chuck Cunningham was Richie’s older brother in Season 1, showed up for a couple of episodes in Season 2, and then was never seen again. Nobody spoke of him, and Richie had always been the oldest child in the Cunningham family.
Mork & Mindy - Mindy’s dad and grandma disappeared after the first season. Dad showed up once or twice later on, but not often.
MASH - Spearchucker Jones and Ugly John, two supporting characters from the movie and book, were part of the main cast but largely left out after Season One. No story mentioned the whereabouts of either men.
The West Wing - Mandy Hampton was put on a bus after Season 1 and there was much rejoicing. She was the worst character on the entire show.
Babylon 5 - Commander Jeffrey Sinclair abruptly left after Season 1, replaced by Captain John Sheridan, though Sinclair reappeared in a few later episodes as an ambassador. It wasn’t until years later that it was revealed that Sinclair’s actor, Michael O’Hare, was suffering from severe mental illness, and chose to leave the show to seek treatment.
Family Matters - Judy Winslow, according to Urban Legend, walked up the stairs in one scene, never to be mentioned again. In fact, her last scene was in a wedding. The emergence of Steve Urkel as a Breakout Character left no room for her character, either in the script or in the budget.
Barney Miller - Detective Chano Amenguale disappeared after the second season and wasn’t mentioned until a few years later when a new detective was transferred in.
Happy Days - Chuck Cunningham was Richie’s older brother in Season 1, showed up for a couple of episodes in Season 2, and then was never seen again. Nobody spoke of him, and Richie had always been the oldest child in the Cunningham family.
Mork & Mindy - Mindy’s dad and grandma disappeared after the first season. Dad showed up once or twice later on, but not often.
MASH - Spearchucker Jones and Ugly John, two supporting characters from the movie and book, were part of the main cast but largely left out after Season One. No story mentioned the whereabouts of either men.
The West Wing - Mandy Hampton was put on a bus after Season 1 and there was much rejoicing. She was the worst character on the entire show.
Babylon 5 - Commander Jeffrey Sinclair abruptly left after Season 1, replaced by Captain John Sheridan, though Sinclair reappeared in a few later episodes as an ambassador. It wasn’t until years later that it was revealed that Sinclair’s actor, Michael O’Hare, was suffering from severe mental illness, and chose to leave the show to seek treatment.
Family Matters - Judy Winslow, according to Urban Legend, walked up the stairs in one scene, never to be mentioned again. In fact, her last scene was in a wedding. The emergence of Steve Urkel as a Breakout Character left no room for her character, either in the script or in the budget.
Star Trek: The Next Generation - Lt. Tasha Yar, who left before the end of the first season. This lead to expanding the role of Lt. Worf, who would become a fan favorite character and appear in several spin-off series.
Barney Miller - Detective Chano Amenguale disappeared after the second season and wasn’t mentioned until a few years later when a new detective was transferred in.
Happy Days - Chuck Cunningham was Richie’s older brother in Season 1, showed up for a couple of episodes in Season 2, and then was never seen again. Nobody spoke of him, and Richie had always been the oldest child in the Cunningham family.
Mork & Mindy - Mindy’s dad and grandma disappeared after the first season. Dad showed up once or twice later on, but not often.
MASH - Spearchucker Jones and Ugly John, two supporting characters from the movie and book, were part of the main cast but largely left out after Season One. No story mentioned the whereabouts of either men.
The West Wing - Mandy Hampton was put on a bus after Season 1 and there was much rejoicing. She was the worst character on the entire show.
Babylon 5 - Commander Jeffrey Sinclair abruptly left after Season 1, replaced by Captain John Sheridan, though Sinclair reappeared in a few later episodes as an ambassador. It wasn’t until years later that it was revealed that Sinclair’s actor, Michael O’Hare, was suffering from severe mental illness, and chose to leave the show to seek treatment.
Family Matters - Judy Winslow, according to Urban Legend, walked up the stairs in one scene, never to be mentioned again. In fact, her last scene was in a wedding. The emergence of Steve Urkel as a Breakout Character left no room for her character, either in the script or in the budget.
Star Trek: The Next Generation - Lt. Tasha Yar, who left before the end of the first season. This lead to expanding the role of Lt. Worf, who would become a fan favorite character and appear in several spin-off series.
Star Trek: Voyager - Kes, Neelix’s sweetheart, left the ship pretty early on but made, I think, two later appearances. The writers could never quite figure out what to do with her, although I liked the character personally.
Barney Miller - Detective Chano Amenguale disappeared after the second season and wasn’t mentioned until a few years later when a new detective was transferred in.
Happy Days - Chuck Cunningham was Richie’s older brother in Season 1, showed up for a couple of episodes in Season 2, and then was never seen again. Nobody spoke of him, and Richie had always been the oldest child in the Cunningham family.
Mork & Mindy - Mindy’s dad and grandma disappeared after the first season. Dad showed up once or twice later on, but not often.
MASH - Spearchucker Jones and Ugly John, two supporting characters from the movie and book, were part of the main cast but largely left out after Season One. No story mentioned the whereabouts of either men.
The West Wing - Mandy Hampton was put on a bus after Season 1 and there was much rejoicing. She was the worst character on the entire show.
Babylon 5 - Commander Jeffrey Sinclair abruptly left after Season 1, replaced by Captain John Sheridan, though Sinclair reappeared in a few later episodes as an ambassador. It wasn’t until years later that it was revealed that Sinclair’s actor, Michael O’Hare, was suffering from severe mental illness, and chose to leave the show to seek treatment.
Family Matters - Judy Winslow, according to Urban Legend, walked up the stairs in one scene, never to be mentioned again. In fact, her last scene was in a wedding. The emergence of Steve Urkel as a Breakout Character left no room for her character, either in the script or in the budget.
Star Trek: The Next Generation - Lt. Tasha Yar, who left before the end of the first season. This lead to expanding the role of Lt. Worf, who would become a fan favorite character and appear in several spin-off series.
Star Trek: Voyager - Kes, Neelix’s sweetheart, left the ship pretty early on but made, I think, two later appearances. The writers could never quite figure out what to do with her, although I liked the character personally.
The Facts of Life - After Season 1, four of the girls (Cindy, Sue Ann, Nancy, Molly) were gone. Some showed up very occasionally in Seasons 2 and 3, but otherwise, were never seen or mentioned again after that.