(B) An architect has a talking horse living in a stable behind his house
(C)Dick van Dyke's brother buys an antique automobile and finds out it is his late mother reinCARnated
Sorry, your ideas are too crazy and would never be picked up
/s
(E)The people on a charter boat (or maybe a Malaysian airliner) out for a three-hour ride get stranded on a deserted island and no one can find them. Their adventures are amazing, improbable, and hilarious.
(F)The dictator. Have a show in which the ruler of a former communist country makes the bumbling arrogant idiot running the former greatest country on earth look ever more foolish, each episode.