ST
"The Duckula Show" is the name of an episode of Danger Mouse, I wonder if it's just been listed separately because it was done for a different client (just CBBC, no Freemantle involvement)?
http://www.bbc.co.uk/iplayer/cbbc/episode/b07zjfcm/danger-mouse-45-the-duckula-show
http://www.bbc.co.uk/iplayer/cbbc/episode/b07zjfcm/danger-mouse-45-the-duckula-show