Carry on Screaming 1966:

 

From the 1969 Christmas special, this is the scene where Eric and Ernie offer Fenella the role of Lady Hamilton in Ernie's latest play (Fenella is wearing the dress she wore in Old Dark House):

Morecambe and Wise - Part 1 of "the play wot Ernie wrote," Nelson & Lady Hamilton from the 1969 Christmas Special:

Morecambe and Wise - Part 2 of "the play wot Ernie wrote," Nelson & Lady Hamilton from the 1969 Christmas Special:

Ernie phones Fenella to ask her to appear in his forthcoming tribute to Noel Coward. Taken from series 4 of the M&W Show: 

The final part of Ernie's tribute to Noel Coward guest starring Fenella Fielding:

Fenella Fielding is asked to talk for sixty seconds on the subject of Soirées, hilarity ensues (audio taken from Radio 4's 'Just A Minute':
 

From 'The Old Dark House' (1963) directed by William Castle. The father is played by Danny Green:
 

The seven doors. From the full-length movie based on The Magic Roundabout. Enjoy Fenella Fielding's voice-over: