Season
- Season 0 1963-02-13
- Season 1 1954-09-11
- Season 2 1955-09-10
- Season 3 1956-09-08
- Season 4 1957-09-07
- Season 5 1958-09-06
- Season 6 1959-09-05
- Season 7 1960-09-10
- Season 8 1961-09-09
- Season 9 1962-09-29
- Season 10 1963-09-28
- Season 11 1964-09-05
- Season 12 1965-09-12
- Season 13 1966-09-10
- Season 14 1967-09-09
- Season 15 1968-09-28
- Season 16 1969-09-27
- Season 17 1970-09-19
- Season 18 1971-10-07
- Season 19 1972-09-15
Season 19 Episode
- Season 4 Episode 1
- Season 4 Episode 2
- Season 4 Episode 3
- Season 4 Episode 4
- Season 4 Episode 5
- Season 4 Episode 6
- Season 4 Episode 7
- Season 4 Episode 8
- Season 4 Episode 9
- Season 4 Episode 10
- Season 4 Episode 11
- Season 4 Episode 12
- Season 4 Episode 13
- Season 4 Episode 14
- Season 4 Episode 15
- Season 4 Episode 16
- Season 4 Episode 17
- Season 4 Episode 18
- Season 4 Episode 19
- Season 4 Episode 20
- Season 4 Episode 21
- Season 4 Episode 22
- Season 4 Episode 23
- Season 4 Episode 24
- Season 4 Episode 25
- Season 4 Episode 26
- Season 4 Episode 27
- Season 4 Episode 28
- Season 4 Episode 29
- Season 4 Episode 30
- Season 4 Episode 31
- Season 4 Episode 32
- Season 4 Episode 33
- Season 4 Episode 34
- Season 4 Episode 35
- Season 4 Episode 36
- Season 4 Episode 37
- Season 4 Episode 38
- Season 4 Episode 39
- Season 4 Episode 40
Lassie - Season 4 Episode 22 Inoculation
6.10 24 minutes 
