1.1
Episode: 1x01 | Airdate: Jan 8, 1972
Season 1
1.2
Episode: 1x02 | Airdate: Jan 15, 1972
1.3
Episode: 1x03 | Airdate: Jan 22, 1972
1.4
Episode: 1x04 | Airdate: Jan 29, 1972
1.5
Episode: 1x05 | Airdate: Feb 5, 1972
1.6
Episode: 1x06 | Airdate: Feb 12, 1972
Season 2
2.1
Episode: 2x01 | Airdate: Jul 9, 1972
2.2
Episode: 2x02 | Airdate: Jul 16, 1972
2.3
Episode: 2x03 | Airdate: Jul 23, 1972
2.4
Episode: 2x04 | Airdate: Jul 30, 1972
2.5
Episode: 2x05 | Airdate: Aug 6, 1972
2.6
Episode: 2x06 | Airdate: Aug 13, 1972
2.7
Episode: 2x07 | Airdate: Aug 20, 1972
2.8
Episode: 2x08 | Airdate: Aug 27, 1972
2.9
Episode: 2x09 | Airdate: Sep 3, 1972
2.10
Episode: 2x10 | Airdate: Sep 10, 1972
Season 3
3.1
Episode: 3x01 | Airdate: Feb 25, 1973
3.2
Episode: 3x02 | Airdate: Mar 4, 1973
3.3
Episode: 3x03 | Airdate: Mar 11, 1973
3.4
Episode: 3x04 | Airdate: Mar 18, 1973
3.5
Episode: 3x05 | Airdate: Mar 25, 1973
3.6
Episode: 3x06 | Airdate: Apr 1, 1973
3.7
Episode: 3x07 | Airdate: Apr 6, 1973
3.8
Episode: 3x08 | Airdate: Apr 13, 1973
3.9
Episode: 3x09 | Airdate: Apr 20, 1973
3.10
Episode: 3x10 | Airdate: Apr 27, 1973
3.11
Episode: 3x11 | Airdate: May 4, 1973
3.12
Episode: 3x12 | Airdate: May 11, 1973
3.13
Episode: 3x13 | Airdate: May 18, 1973
Christmas Who Do You Do
Episode: 3x14 | Airdate: Dec 29, 1974
Season 4
4.1
Episode: 4x01 | Airdate: Feb 2, 1975
4.2
Episode: 4x02 | Airdate: Feb 9, 1975
4.3
Episode: 4x03 | Airdate: Feb 16, 1975
4.4
Episode: 4x04 | Airdate: Feb 23, 1975
4.5
Episode: 4x05 | Airdate: Mar 2, 1975
4.6
Episode: 4x06 | Airdate: Mar 9, 1975
4.7
Episode: 4x07 | Airdate: Mar 16, 1975
4.8
Episode: 4x08 | Airdate: Mar 23, 1975
4.9
Episode: 4x09 | Airdate: Mar 30, 1975
4.10
Episode: 4x10 | Airdate: Apr 6, 1975
4.11
Episode: 4x11 | Airdate: Apr 13, 1975
4.12
Episode: 4x12 | Airdate: Apr 20, 1975
A Special Who Do You Do
Episode: 4x13 | Airdate: Dec 26, 1975
Season 5
5.1
Episode: 5x01 | Airdate: Feb 22, 1976
5.2
Episode: 5x02 | Airdate: Feb 29, 1976
5.3
Episode: 5x03 | Airdate: Mar 7, 1976
5.4
Episode: 5x04 | Airdate: Mar 14, 1976
5.5
Episode: 5x05 | Airdate: Mar 21, 1976
5.6
Episode: 5x06 | Airdate: Mar 28, 1976
5.7
Episode: 5x07 | Airdate: Apr 4, 1976
5.8
Episode: 5x08 | Airdate: Apr 11, 1976
5.9
Episode: 5x09 | Airdate: Apr 18, 1976
5.10
Episode: 5x10 | Airdate: Apr 25, 1976
5.11
Episode: 5x11 | Airdate: May 2, 1976
5.12
Episode: 5x12 | Airdate: May 9, 1976
5.13
Episode: 5x13 | Airdate: May 16, 1976
5.14
Episode: 5x14 | Airdate: May 23, 1976