Omnibus - Season 18 Episode 7: Pennington's Chekhov

Episodes: 24

Season 1

1967-10-13

Episodes: 30

Season 2

1968-09-15

Episodes: 35

Season 3

1969-08-03

Episodes: 31

Season 4

1970-08-23

Episodes: 27

Season 5

1971-08-29

Episodes: 25

Season 6

1972-09-17

Episodes: 35

Season 7

1973-07-29

Episodes: 26

Season 8

1974-10-08

Episodes: 34

Season 9

1975-09-21

Episodes: 38

Season 10

1976-10-21

Episodes: 16

Season 11

1977-10-13

Episodes: 26

Season 12

1978-08-02

Episodes: 14

Season 13

1979-12-23

Episodes: 14

Season 14

1981-01-13

Episodes: 17

Season 15

1982-01-10

Episodes: 23

Season 16

1982-10-10

Episodes: 10

Season 17

1983-10-16

Episodes: 11

Season 18

1984-06-24

Episodes: 10

Season 19

1984-09-16

Episodes: 21

Season 20

1985-04-26

Episodes: 7

Season 21

1986-04-11

Episodes: 11

Season 22

1986-08-08

Episodes: 10

Season 23

1987-05-05

Episodes: 7

Season 24

1987-09-19

Episodes: 10

Season 25

1988-05-06

Episodes: 16

Season 26

1988-09-23

Episodes: 18

Season 27

1989-07-14

Episodes: 20

Season 28

1990-09-07

Episodes: 24

Season 29

1991-07-11

Episodes: 16

Season 30

1992-07-16

Episodes: 26

Season 31

1993-09-28

Episodes: 20

Season 32

1994-10-11

Episodes: 12

Season 33

1995-09-03

Episodes: 13

Season 34

1996-11-05

Episodes: 25

Season 35

1997-06-23

Episodes: 15

Season 36

1998-08-30