Infotainment is used to refer to radio or television programmes that are intended both to entertain people and to give information. The word is formed from 'information' and 'entertainment'.
infotainment in British English
(ˌɪnfəʊˈteɪnmənt)
noun
(in television) the practice of presenting serious or instructive subjects in a style designed primarily to be entertaining
Word origin
C20: from info + (enter)tainment
infotainment in American English
(ˌɪnfoʊˈteɪnmənt)
noun
television programming of news and information, as about celebrities, presented in a dramatic or sensational style