The first episode of The Changes airs on BBC1, adapting the novels of Peter Dickinson into a ten-part television serial starring Vicky Williams and Bernard Horsfall. The series was filmed in 1973, but has been held for broadcast until 1975. 
The first episode of The Changes airs on BBC1, adapting the novels of Peter Dickinson into a ten-part television serial starring Vicky Williams and Bernard Horsfall. The series was filmed in 1973, but has been held for broadcast until 1975.
The second episode of The Changes airs on BBC1, adapting the novels of Peter Dickinson into a ten-part television serial starring Vicky Williams and Marc Zuber. The series was filmed in 1973, but has been held for broadcast until 1975.
The third episode of The Changes airs on BBC1, adapting the novels of Peter Dickinson into a ten-part television serial starring Vicky Williams and Marc Zuber. The series was filmed in 1973, but has been held for broadcast until 1975.
The fourth episode of The Changes airs on BBC1, adapting the novels of Peter Dickinson into a ten-part television serial starring Vicky Williams and Marc Zuber. The series was filmed in 1973, but has been held for broadcast until 1975.
The fifth episode of The Changes airs on BBC1, adapting the novels of Peter Dickinson into a ten-part television serial starring Vicky Williams and Marc Zuber. The series was filmed in 1973, but has been held for broadcast until 1975.
The sixth episode of The Changes airs on BBC1, adapting the novels of Peter Dickinson into a ten-part television serial starring Vicky Williams and Keith Ashton. The series was filmed in 1973, but has been held for broadcast until 1975.
The seventh episode of The Changes airs on BBC1, adapting the novels of Peter Dickinson into a ten-part television serial starring Vicky Williams and Keith Ashton. The series was filmed in 1973, but has been held for broadcast until 1975.
The eighth episode of The Changes airs on BBC1, adapting the novels of Peter Dickinson into a ten-part television serial starring Vicky Williams and Keith Ashton. Tom Chadbon (Doctor Who, Blake’s 7) guest stars. The series was filmed in 1973, but has been held for broadcast until 1975.
The ninth episode of The Changes airs on BBC1, adapting the novels of Peter Dickinson into a ten-part television serial starring Vicky Williams and Keith Ashton. Tom Chadbon (Doctor Who, Blake’s 7) and Oscar Quitak (Brazil) guest star. The series was filmed in 1973, but has been held for broadcast until 1975.
The tenth and final episode of The Changes airs on BBC1, adapting the novels of Peter Dickinson into a ten-part television serial starring Vicky Williams and Keith Ashton. Oscar Quitak (Brazil) guest stars. The series was filmed in 1973, but has been held for broadcast until 1975; an entire generation of young viewers will go on to consider the short series a seminal event in UK genre TV.