Gwnaeth dangosiad cyntaf cyfres 4 Sherlock ddenu 11.3 miliwn o wylwyr, gan ei gwneud y rhaglen deledu a wyliwyd gan y nifer mwyaf o bobl ar draws yr holl sianeli ar Ddydd Calan. Gwyliwyd Ethel & Ernest gan 4 miliwn o bobl ac roedd ar frig y siartiau teledu swyddogol, gan werthu mwy na Game of Thrones, Planet Earth 2, The Night Manager ac eraill. Gwnaeth argraffiad cyntaf y Ethel & Ernest DVD werthu allan yn ystod y cyfnod archebu ymlaen llaw.
Viewing figures for the season 4 premiere of Sherlock reached 11.3 million, making it the most watched TV show on New Year’s Day across all channels. Ethel & Ernest was watched by 4million people and ranked No.1 on the official TV chart, outselling Game of Thrones, Planet Earth 2 and The Night Manager among others. The first pressing of the Ethel & Ernest DVD sold out on pre sales alone.