The Enterprise ran for four seasons from 2001 -2005 and had 98 episodes
Deep Space nine from 1987-1994 over 7 seasons and had 176 episodes
Voyager ran from 1995-2001 over seven seasons and had 172 episodes
The Next Generation ran from 1987 - 1994 over seven seasons and 178 episodes
1967 -1969 can you believe. 79 episodes of 30 minutes each.
Now you could watch 703 episodes of Star Trek. 
