Here’s a full rundown of what to expect in tonight’s episode of Big Brother, which continues on ITV2 and ITVX.THE HOUSEMATES NOMINATE FOR THE FIRST TIMEIt’s nomination time in the Big Brother House.Big Brother gathers the Housemates at the sofa and says, “Housemates, it’s time to nominate. When instructed, you must each nominate the two Housemates you wish to face eviction… Johanne and Samuel are immune, they can nominate but cannot be nominated.”In the Diary Room, Charlotte says, “My first nomi