Soap operas were hour-long television dramas often concerning romance, plot twists, and sometimes murder on Earth in the 20th and 21st centuries. Their popularity had died out by the 2040s, along with most television shows.
In 2373 when the USS Voyager was sent back in time to Earth, 1996, Kes and Neelix were assigned to monitor Earth communication broadcasts, including television, and got caught up in one particular soap opera. In that soap opera, one of the female characters realized that the father of her child was not her boyfriend Blaine, but in fact his twin brother Jack. (VOY: "Future's End")