OK let's try a different tack.

[rab] First episode before 1980? YES

Late entry from me.... Will be a bit of a bad steal if I'm right.

[Lib] MPFC? NO.

Re improv - touché

[Ig] Internal organ? NO
[rab] name of show=words on card (or selection of permutation of)? NO

[Ink] BBC? NO

[Ink] Before 1970? YES (hint - we are talking about the show that hosted the first appearance of this character, not necessarily the show most associated with it.)

[all] Are some clues needed at this stage? This clue seems to be losing steam a bit after more than a week in play!

(or is everyone suffering from the rapid approach of the worst day of the year?

Clues - yes, please.

[Ig] Children's TV? YES! *considerable applause*

Blue's First Clue: it is the abstract (i.e. fictional) part that contains that which is partially human and partially some other mammal - in other words, we're talking about an anthropomorphic character, not of some invented species, either.

[Ink] Wind-speaking? NO
[Raak] Carbonaceous Ursine? NO

Quick check; The answer is not the title a 1960s(?) ITV childrens programme but a character from it? ...and that's all till tomorrow.

[Ig] Felis Mustela? NO
[Ink] Male? YES
[Ink] Hands? *applause and cheering* YES (not sure if it's a pair or just one).

[Raak] Supermarionation? NO, MILADY

[Inks re: your quick check] That's completely correct.

[Raak] String puppets? NO

I think Chalky has got it...

[rab] Animated? Like this game lately, NOT VERY! :)
[Raak] Shadow puppet? NO
[Chalky, you naughy victorous lurker] Basil Brush? YES!! BOOM BOOM. Basil first appeared in Peter Firmin's kids' show The Three Scampies in, I think it was 1968 but too lazy to go back and check on Wikipedia. For all I know the show was a drama rather than Basil's later chatshow-style shows, but I couldn't find that out. The animal element which is part of a human is the operator's hand in the puppet, the mineral the nylon from which I fondly fancy the puppet is fashioned, with a side-bet on some vegetable elements in his clothes too. The abstract element (incorporating more animal: i.e. anthropomorphic fox-man) is the fictional character of Basil. * gets a bag of aniseed balls, and gives that to Chalky, as there's no longer a fox to hunt * Tally Ho!

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Oh, and well done to rab, Irouléguy and Inkspot for doing most of the heavy lifting, there!

Grr, Basil Brush passed through my mind but I rejected it for not being a sequence of four things, as suggested by the way you laid out your clue. Oh well, well done Chalky.

Congrats and welcome back, Chalky - I think it needed a fresh pair of eyes to get that.

That'll teach me. I'll blame the pub quiz victory [the first time in 5 weeks] and the brandy.
'Tis grand to be back .. thanks to PJ for a very thorough set of responses and to rab, Raak, Iroulé, Inks et al for pointing the way :-)

How's about a V E G E T A B L E to ease me back into MC Land ..