. "\"The Lambda Factor\" is the nineteenth episode of the second series of Space: 1999 (and the forty-third episode overall of the programme). The screenplay was written by Terrance Dicks; the director was Charles Crichton. The final shooting script is dated 6 August 1976, with amendments dated 2 September, 15 September, 27 September, 28 September, 29 September and 5 October 1976. Live action filming took place Wednesday 29 September 1976 through Friday 15 October 1976."@en . . "The Lambda Factor"@en . . "1976-12-23Z"^^ . "19"^^ . . "2"^^ .