It varies a great deal. For example, "The Big Bang Theory" on CBS airs around 22 episodes per season. But "Falling Skies" on TNT airs only 10 episodes.
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On Network TV, typically Season 5 is when a show could be sold into syndication so there should be around 85 to 100 episodes for that to happen, but as the first answer says, it does indeed vary when you throw in cable.
41 episodes spread over 5 seasons.
There are 5 seasons and a total of 62 episodes of Breaking Bad.
I think there was 225 episodes of Yu-Gi-Oh
There are 10 seasons with 24 episodes each.
Breaking Bad aired it's finale episode on September 29th, 2013. The show had 62 episodes in total. Each season broke down as follows: Season 1: 7 Episodes Season 2: 13 Episodes Season 3: 13 Episodes Season 4: 13 Episodes Season 5 Part 1: 8 Episodes Season 5 Part 2: 8 Episodes
There are 5 seasons of Renegade
Two seasons, the first one with 5 episodes, the second with 13, for a total of 18 episodes.
41 episodes spread over 5 seasons.
5 Seasons and 113 Episodes
5
There are 5 seasons and a total of 62 episodes of Breaking Bad.
I think there was 225 episodes of Yu-Gi-Oh
Two seasons, the first has 4 episodes, and the second has 5.
There are 10 seasons with 24 episodes each.
Season 6 will probably have 12 episodes, the same as seasons 4 and 5.
Zero - there are only four seasons of "Heroes" .
For the first 3 seasons, he was a regular, then on seasons 4, 5 and 7 he was a guest star for a couple of episodes.