sentences:  Written by Rod Beacham, a screen breakdown was commissioned on 27 April 1982 and the scripts on 27 May 1982.Written by Barbara Clegg, this story was submitted in late 1982 and dealt with the Doctor searching for a missing Time Lord who has regenerated to merge with his TARDIS.Written by William Emms, this four-part storyline was discussed but not commissioned when Emms approached the production office in 1983.