Roedd cynyrchiadau a lwyddodd i ddod i’r amlwg yn ystod y cyfyngiadau symud yn cynnwys Gangs of London gan Sky, gydag un o’r episodau’n cael ei ffilmio yn ne Cymru. Y gyfres oedd yr ail ddrama fwyaf i gael ei lansio gan Sky Atlantic erioed, a chafodd ei chreu gan y cynhyrchydd ffilmiau o Gymru, y mae ei ffilmiau wedi ennill gwobrau, Gareth Evans, a’i bartner creadigol Matt Flannery. Siaradodd Gareth am ffilmio rhannau o’r gyfres yng Nghymru, gan ddweud:
Productions that made it to our screens during lockdown included Sky’s Gangs of London, of which one of the episodes was set and filmed in South Wales. The series was Sky Atlantic’s second biggest original drama launch of all time and was created by award-winning filmmaker from Wales - Gareth Evans and his creative partner Matt Flannery. Gareth spoke on the subject of filming sequences for the series in Wales, he said: