12a the upper air through which electronic waves pass (5) E - H - R
18a good one liners, oart of the ----- - in - trade of stand up comics (5) S - O - K
14d term describing a film modified for a second time - (2,6)R - / E - - - E -
20a ---- Adventure, 1960's ITV series with hattie jacques (4) - - - S