Are you looking for one specific TV show ?
The following webpages might be of some help when searching for British or American TV programmes and series...
TV series created for audiences in the entire United States :
(TV series showed only in one or several American states are not displayed on this webpage) ; a separate list contains the ones showed in Puerto Rico.
The webpage below lists British television programmes :
there, not only can you find British TV series but also soap operas, mockumentaries (= mocking documentaries), dramas, situation comedies etc...