ITV had been off the air across the nation since August due to a massive strike by technicians. "Tiswas" returned to the screens in November 1979 for its sixth series, as part of ITV's comeback; this was directly referenced in the first edition of the new series, when the "Welcome Home To ITV" jingle was played to usher the programme in and out of the advert breaks, albeit replacing the vocals by the Mike Sammes Singers with a group of deliberately out-of-tune children. Many ITV regions took the programme for the first time, establishing the show strongly in the nation's consciousness. London-based viewers tended to complain to the Independent Broadcasting Authority (IBA) about some of the edgier moments the show had.