TLC TBA Extreme Sisters Season 1 UK Release DateThe tv series season Extreme Sisters Season 1 upcoming TLC release date in the UK is to be announced. Notify me!Release Dates!Report Date / Submit ProductUKAllUSAUKReport Date / Submit ProductTLCTBAConfirmedTrackingTrack34TRACK3Pre-OrderExtreme Sisters Season 1TV Series SeasonTLCFollows the most obsessive and inseparable sibling relationships. Some sister bonds are closer than others, but these siblings take their obsession to the extreme.Reality