How was a British educational television show created by Jack Hargreaves. It was produced from 1966 by Southern Television, for whom Hargreaves was a presenter and Deputy Programme Controller. It lasted until 1981, when the company lost its franchise to TVS.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 1966-11-10 | 30 min |
| Season 1 | Episode 2 | Episode 2 | 1966-11-17 | 30 min |
| Season 1 | Episode 3 | Episode 3 | 1966-11-24 | 30 min |
| Season 1 | Episode 4 | Episode 4 | 1966-12-01 | 30 min |
| Season 1 | Episode 5 | Episode 5 | 1966-12-08 | 30 min |
| Season 1 | Episode 6 | Episode 6 | 1966-12-15 | 30 min |
| Season 1 | Episode 7 | Episode 7 | 1966-12-22 | 30 min |
| Season 1 | Episode 8 | Episode 8 | 1966-12-29 | 30 min |
| Season 1 | Episode 9 | Episode 9 | 1967-01-05 | 30 min |
| Season 1 | Episode 10 | Episode 10 | 1967-01-12 | 30 min |
| Season 1 | Episode 11 | Episode 11 | 1967-01-19 | 30 min |
| Season 1 | Episode 12 | Episode 12 | 1967-01-26 | 30 min |
| Season 1 | Episode 13 | Episode 13 | 1967-02-02 | 30 min |
| Season 1 | Episode 14 | Episode 14 | 1967-02-09 | 30 min |
| Season 1 | Episode 15 | Episode 15 | 1967-02-16 | 30 min |
| Season 1 | Episode 16 | Episode 16 | 1967-02-23 | 30 min |
| Season 1 | Episode 17 | Episode 17 | 1967-03-02 | 30 min |
| Season 1 | Episode 18 | Episode 18 | 1967-03-09 | 30 min |
| Season 1 | Episode 19 | Episode 19 | 1967-03-16 | 30 min |
| Season 1 | Episode 20 | Episode 20 | 1967-03-23 | 30 min |
| Season 1 | Episode 21 | Episode 21 | 1967-03-30 | 30 min |
| Season 1 | Episode 22 | Episode 22 | 1967-04-06 | 30 min |
| Season 1 | Episode 23 | Episode 23 | 1967-04-13 | 30 min |
| Season 1 | Episode 24 | Episode 24 | 1967-04-20 | 30 min |
| Season 1 | Episode 25 | Episode 25 | 1967-04-27 | 30 min |
| Season 1 | Episode 26 | Episode 26 | 1967-05-04 | 30 min |
| Season 1 | Episode 27 | Episode 27 | 1967-05-11 | 30 min |
| Season 1 | Episode 28 | Episode 28 | 1967-05-18 | 30 min |
| Season 1 | Episode 29 | Episode 29 | 1967-05-25 | 30 min |
| Season 1 | Episode 30 | Episode 30 | 1967-06-01 | 30 min |
| Season 1 | Episode 31 | Episode 31 | 1967-06-08 | 30 min |
| Season 1 | Episode 32 | Episode 32 | 1967-06-15 | 30 min |
| Season 1 | Episode 33 | Episode 33 | 1967-06-22 | 30 min |
| Season 1 | Episode 34 | Episode 34 | 1967-06-29 | 30 min |
| Season 2 | Episode 1 | Episode 1 | 1967-09-28 | 30 min |
| Season 2 | Episode 2 | Episode 2 | 1967-10-05 | 30 min |
| Season 2 | Episode 3 | Episode 3 | 1967-10-12 | 30 min |
| Season 2 | Episode 4 | Episode 4 | 1967-10-19 | 30 min |
| Season 2 | Episode 5 | Episode 5 | 1967-10-26 | 30 min |
| Season 2 | Episode 6 | Episode 6 | 1967-11-02 | 30 min |
| Season 2 | Episode 7 | Episode 7 | 1967-11-09 | 30 min |
| Season 2 | Episode 8 | Episode 8 | 1967-11-16 | 30 min |
| Season 2 | Episode 9 | Episode 9 | 1967-11-23 | 30 min |
| Season 2 | Episode 10 | Episode 10 | 1967-11-30 | 30 min |
| Season 2 | Episode 11 | Episode 11 | 1967-12-07 | 30 min |
| Season 2 | Episode 12 | Episode 12 | 1967-12-14 | 30 min |
| Season 2 | Episode 13 | Episode 13 | 1967-12-21 | 30 min |
| Season 2 | Episode 14 | Episode 14 | 1967-12-28 | 30 min |
| Season 2 | Episode 15 | Episode 15 | 1968-01-04 | 30 min |
| Season 2 | Episode 16 | Episode 16 | 1968-01-11 | 30 min |
| Season 2 | Episode 17 | Episode 17 | 1968-01-18 | 30 min |
| Season 2 | Episode 18 | Episode 18 | 1968-01-25 | 30 min |
| Season 2 | Episode 19 | Episode 19 | 1968-02-01 | 30 min |
| Season 2 | Episode 20 | Episode 20 | 1968-02-08 | 30 min |
| Season 2 | Episode 21 | Episode 21 | 1968-02-15 | 30 min |
| Season 2 | Episode 22 | Episode 22 | 1968-02-22 | 30 min |
| Season 2 | Episode 23 | Episode 23 | 1968-02-29 | 30 min |
| Season 2 | Episode 24 | Episode 24 | 1968-03-07 | 30 min |
| Season 3 | Episode 1 | Episode 1 | 1968-11-18 | 30 min |
| Season 3 | Episode 2 | Episode 2 | 1968-11-25 | 30 min |
| Season 3 | Episode 3 | Episode 3 | 1968-12-02 | 30 min |
| Season 3 | Episode 4 | Episode 4 | 1968-12-09 | 30 min |
| Season 3 | Episode 5 | Episode 5 | 1968-12-16 | 30 min |
| Season 3 | Episode 6 | Episode 6 | 1968-12-23 | 30 min |
| Season 3 | Episode 7 | Episode 7 | 1968-12-30 | 30 min |
| Season 3 | Episode 8 | Episode 8 | 1969-01-06 | 30 min |
| Season 3 | Episode 9 | Episode 9 | 1969-01-13 | 30 min |
| Season 3 | Episode 10 | Episode 10 | 1969-01-20 | 30 min |
| Season 3 | Episode 11 | Episode 11 | 1969-01-27 | 30 min |
| Season 3 | Episode 12 | Episode 12 | 1969-02-03 | 30 min |
| Season 3 | Episode 13 | Episode 13 | 1969-02-10 | 30 min |
| Season 3 | Episode 14 | Episode 14 | 1969-02-17 | 30 min |
| Season 3 | Episode 15 | Episode 15 | 1969-02-24 | 30 min |
| Season 3 | Episode 16 | Episode 16 | 1969-03-03 | 30 min |
| Season 3 | Episode 17 | Episode 17 | 1969-03-10 | 30 min |
| Season 3 | Episode 18 | Episode 18 | 1969-03-17 | 30 min |
| Season 3 | Episode 19 | Episode 19 | 1969-03-24 | 30 min |
| Season 3 | Episode 20 | Episode 20 | 1969-03-31 | 30 min |
| Season 3 | Episode 21 | Episode 21 | 1969-04-21 | 30 min |
| Season 3 | Episode 22 | Episode 22 | 1969-05-05 | 30 min |
| Season 3 | Episode 23 | Episode 23 | 1969-05-12 | 30 min |
| Season 3 | Episode 24 | Episode 24 | 1969-05-19 | 30 min |
| Season 3 | Episode 25 | Episode 25 | 1969-06-02 | 30 min |
| Season 3 | Episode 26 | Episode 26 | 1969-06-09 | 30 min |
| Season 3 | Episode 27 | Episode 27 | 1969-06-16 | 30 min |
| Season 3 | Episode 28 | Episode 28 | 1969-06-23 | 30 min |
| Season 4 | Episode 1 | Episode 1 | 1970-01-16 | 30 min |
| Season 4 | Episode 2 | Episode 2 | 1970-01-23 | 30 min |
| Season 4 | Episode 3 | Episode 3 | 1970-01-30 | 30 min |
| Season 4 | Episode 4 | Episode 4 | 1970-02-06 | 30 min |
| Season 4 | Episode 5 | Episode 5 | 1970-02-13 | 30 min |
| Season 4 | Episode 6 | Episode 6 | 1970-02-20 | 30 min |
| Season 4 | Episode 7 | Episode 7 | 1970-02-27 | 30 min |
| Season 4 | Episode 8 | Episode 8 | 1970-03-06 | 30 min |
| Season 4 | Episode 9 | Episode 9 | 1970-03-13 | 30 min |
| Season 4 | Episode 10 | Episode 10 | 1970-03-20 | 30 min |
| Season 4 | Episode 11 | Episode 11 | 1970-03-27 | 30 min |
| Season 4 | Episode 12 | Episode 12 | 1970-04-03 | 30 min |
| Season 5 | Episode 1 | Episode 1 | 1970-07-09 | 30 min |
| Season 5 | Episode 2 | Episode 2 | 1970-07-16 | 30 min |
| Season 5 | Episode 3 | Episode 3 | 1970-07-23 | 30 min |
| Season 5 | Episode 4 | Episode 4 | 1970-07-30 | 30 min |
| Season 5 | Episode 5 | Episode 5 | 1970-08-06 | 30 min |
| Season 5 | Episode 6 | Episode 6 | 1970-08-13 | 30 min |
| Season 5 | Episode 7 | Episode 7 | 1970-08-20 | 30 min |
| Season 6 | Episode 1 | Episode 1 | 1971-07-08 | 30 min |
| Season 6 | Episode 2 | Episode 2 | 1971-07-15 | 30 min |
| Season 6 | Episode 3 | Episode 3 | 1971-07-22 | 30 min |
| Season 6 | Episode 4 | Episode 4 | 1971-07-29 | 30 min |
| Season 6 | Episode 5 | Episode 5 | 1971-08-05 | 30 min |
| Season 6 | Episode 6 | Episode 6 | 1971-08-12 | 30 min |
| Season 6 | Episode 7 | Episode 7 | 1971-08-19 | 30 min |
| Season 6 | Episode 8 | Episode 8 | 1971-08-26 | 30 min |
| Season 7 | Episode 1 | Episode 1 | 1972-06-22 | 30 min |
| Season 7 | Episode 2 | Episode 2 | 1972-06-29 | 30 min |
| Season 7 | Episode 3 | Episode 3 | 1972-07-06 | 30 min |
| Season 7 | Episode 4 | Episode 4 | 1972-07-13 | 30 min |
| Season 7 | Episode 5 | Episode 5 | 1972-07-20 | 30 min |
| Season 7 | Episode 6 | Episode 6 | 1972-07-27 | 30 min |
| Season 7 | Episode 7 | Episode 7 | 1972-08-03 | 30 min |
| Season 7 | Episode 8 | Episode 8 | 1972-08-10 | 30 min |
| Season 7 | Episode 9 | Episode 9 | 1972-08-17 | 30 min |
| Season 7 | Episode 10 | Episode 10 | 1972-08-24 | 30 min |
| Season 8 | Episode 1 | Episode 1 | 1973-04-24 | 30 min |
| Season 8 | Episode 2 | Episode 2 | 1973-05-01 | 30 min |
| Season 8 | Episode 3 | Episode 3 | 1973-05-08 | 30 min |
| Season 8 | Episode 4 | Episode 4 | 1973-05-15 | 30 min |
| Season 8 | Episode 5 | Episode 5 | 1973-05-22 | 30 min |
| Season 8 | Episode 6 | Episode 6 | 1973-05-29 | 30 min |
| Season 8 | Episode 7 | Episode 7 | 1973-06-05 | 30 min |
| Season 8 | Episode 8 | Episode 8 | 1973-06-12 | 30 min |
| Season 8 | Episode 9 | Episode 9 | 1973-06-19 | 30 min |
| Season 8 | Episode 10 | Episode 10 | 1973-06-26 | 30 min |
| Season 9 | Episode 1 | Episode 1 | 1974-04-30 | 30 min |
| Season 9 | Episode 2 | Episode 2 | 1974-05-07 | 30 min |
| Season 9 | Episode 3 | Episode 3 | 1974-05-14 | 30 min |
| Season 9 | Episode 4 | Episode 4 | 1974-05-21 | 30 min |
| Season 9 | Episode 5 | Episode 5 | 1974-05-28 | 30 min |
| Season 9 | Episode 6 | Episode 6 | 1974-06-04 | 30 min |
| Season 9 | Episode 7 | Episode 7 | 1974-06-11 | 30 min |
| Season 9 | Episode 8 | Episode 8 | 1974-06-18 | 30 min |
| Season 9 | Episode 9 | Episode 9 | 1974-06-25 | 30 min |
| Season 10 | Episode 1 | Episode 1 | 1975-01-08 | 30 min |
| Season 10 | Episode 2 | Episode 2 | 1975-01-15 | 30 min |
| Season 10 | Episode 3 | Episode 3 | 1975-01-22 | 30 min |
| Season 10 | Episode 4 | Episode 4 | 1975-01-29 | 30 min |
| Season 10 | Episode 5 | Episode 5 | 1975-02-05 | 30 min |
| Season 10 | Episode 6 | Episode 6 | 1975-02-12 | 30 min |
| Season 10 | Episode 7 | Episode 7 | 1975-02-19 | 30 min |
| Season 11 | Episode 1 | Episode 1 | 1975-12-31 | 30 min |
| Season 11 | Episode 2 | Episode 2 | 1976-01-07 | 30 min |
| Season 11 | Episode 3 | Episode 3 | 1976-01-14 | 30 min |
| Season 11 | Episode 4 | Episode 4 | 1976-01-21 | 30 min |
| Season 11 | Episode 5 | Episode 5 | 1976-01-28 | 30 min |
| Season 11 | Episode 6 | Episode 6 | 1976-02-04 | 30 min |
| Season 11 | Episode 7 | Episode 7 | 1976-02-11 | 30 min |
| Season 11 | Episode 8 | Episode 8 | 1976-02-18 | 30 min |
| Season 11 | Episode 9 | Episode 9 | 1976-02-25 | 30 min |
| Season 11 | Episode 10 | Episode 10 | 1976-03-03 | 30 min |
| Season 11 | Episode 11 | Episode 11 | 1976-03-10 | 30 min |
| Season 11 | Episode 12 | Episode 12 | 1976-03-17 | 30 min |
| Season 11 | Episode 13 | Episode 13 | 1976-03-24 | 30 min |
| Season 12 | Episode 1 | Episode 1 | 1977-01-05 | 30 min |
| Season 12 | Episode 2 | Episode 2 | 1977-01-12 | 30 min |
| Season 12 | Episode 3 | Episode 3 | 1977-01-19 | 30 min |
| Season 12 | Episode 4 | Episode 4 | 1977-01-26 | 30 min |
| Season 12 | Episode 5 | Episode 5 | 1977-02-02 | 30 min |
| Season 12 | Episode 6 | Episode 6 | 1977-02-09 | 30 min |
| Season 12 | Episode 7 | Episode 7 | 1977-02-16 | 30 min |
| Season 12 | Episode 8 | Episode 8 | 1977-02-23 | 30 min |
| Season 12 | Episode 9 | Episode 9 | 1977-03-02 | 30 min |
| Season 12 | Episode 10 | Episode 10 | 1977-03-09 | 30 min |
| Season 12 | Episode 11 | Episode 11 | 1977-03-16 | 30 min |
| Season 12 | Episode 12 | Episode 12 | 1977-03-23 | 30 min |
| Season 12 | Episode 13 | Episode 13 | 1977-03-30 | 30 min |
| Season 13 | Episode 1 | Episode 1 | 1978-03-01 | 30 min |
| Season 13 | Episode 2 | Episode 2 | 1978-03-08 | 30 min |
| Season 13 | Episode 3 | Episode 3 | 1978-03-15 | 30 min |
| Season 13 | Episode 4 | Episode 4 | 1978-03-22 | 30 min |
| Season 13 | Episode 5 | Episode 5 | 1978-03-29 | 30 min |
| Season 13 | Episode 6 | Episode 6 | 1978-04-05 | 30 min |
| Season 13 | Episode 7 | Episode 7 | 1978-04-12 | 30 min |
| Season 13 | Episode 8 | Episode 8 | 1978-04-19 | 30 min |
| Season 13 | Episode 9 | Episode 9 | 1978-04-26 | 30 min |
| Season 13 | Episode 10 | Episode 10 | 1978-05-03 | 30 min |
| Season 13 | Episode 11 | Episode 11 | 1978-05-10 | 30 min |
| Season 13 | Episode 12 | Episode 12 | 1978-05-17 | 30 min |
| Season 13 | Episode 13 | Episode 13 | 1978-05-24 | 30 min |
| Season 14 | Episode 1 | Christmas How | 1978-12-27 | 30 min |
| Season 14 | Episode 2 | Episode 2 | 1979-01-03 | 30 min |
| Season 14 | Episode 3 | Episode 3 | 1979-01-10 | 30 min |
| Season 14 | Episode 4 | Episode 4 | 1979-01-17 | 30 min |
| Season 14 | Episode 5 | Episode 5 | 1979-01-24 | 30 min |
| Season 14 | Episode 6 | Episode 6 | 1979-01-31 | 30 min |
| Season 14 | Episode 7 | Episode 7 | 1979-02-07 | 30 min |
| Season 14 | Episode 8 | Episode 8 | 1979-02-14 | 30 min |
| Season 14 | Episode 9 | Episode 9 | 1979-02-21 | 30 min |
| Season 14 | Episode 10 | Episode 10 | 1979-02-28 | 30 min |
| Season 14 | Episode 11 | Episode 11 | 1979-03-07 | 30 min |
| Season 14 | Episode 12 | Episode 12 | 1979-03-14 | 30 min |
| Season 14 | Episode 13 | Episode 13 | 1979-03-21 | 30 min |
| Season 15 | Episode 1 | Episode 1 | 1980-06-25 | 30 min |
| Season 15 | Episode 2 | Episode 2 | 1980-07-02 | 30 min |
| Season 15 | Episode 3 | Episode 3 | 1980-07-09 | 30 min |
| Season 15 | Episode 4 | Episode 4 | 1980-07-16 | 30 min |
| Season 15 | Episode 5 | Episode 5 | 1980-08-06 | 30 min |
| Season 15 | Episode 6 | Episode 6 | 1980-08-13 | 30 min |
| Season 15 | Episode 7 | Episode 7 | 1980-08-20 | 30 min |
| Season 15 | Episode 8 | Episode 8 | 1980-08-27 | 30 min |
| Season 15 | Episode 9 | Episode 9 | 1980-09-03 | 30 min |
| Season 15 | Episode 10 | Episode 10 | 1980-09-10 | 30 min |
| Season 15 | Episode 11 | Episode 11 | 1980-09-17 | 30 min |
| Season 15 | Episode 12 | Episode 12 | 1980-09-24 | 30 min |
| Season 16 | Episode 1 | Episode 1 | 1981-05-13 | 30 min |
| Season 16 | Episode 2 | Episode 2 | 1981-05-20 | 30 min |
| Season 16 | Episode 3 | Episode 3 | 1981-05-27 | 30 min |
| Season 16 | Episode 4 | Episode 4 | 1981-06-10 | 30 min |
| Season 16 | Episode 5 | Episode 5 | 1981-06-17 | 30 min |
| Season 16 | Episode 6 | Episode 6 | 1981-06-24 | 30 min |
| Season 16 | Episode 7 | Episode 7 | 1981-07-01 | 30 min |
| Season 16 | Episode 8 | Episode 8 | 1981-07-08 | 30 min |
| Season 16 | Episode 9 | Episode 9 | 1981-07-15 | 30 min |
| Season 16 | Episode 10 | Episode 10 | 1981-07-22 | 30 min |
| Season 16 | Episode 11 | Episode 11 | 1981-08-05 | 30 min |
| Season 16 | Episode 12 | Episode 12 | 1981-08-12 | 30 min |
| Season 16 | Episode 13 | Episode 13 | 1981-08-19 | 30 min |
