Gogglebox has become a firm favourite with TV viewers over the years, with the format of the Channel 4 show proving to be a genius idea.The hit show sees families across the UK watch the latest television shows and react to them - a simple but incredibly effective idea. Gogglebox launched in 2013 and is now in its 23rd series.There's been several spin-off editions too, including a well received celebrity version and a kids' show, dubbed Gogglesprogs.