Well, we know why Tyrion believes his sister to be pregnant, of course. Back in the seventh season, when Cersei (Lena Headey) found herself alone with Tyrion for the first time in forever ...
This time, though, we heard nary a thing about Cersei’s unborn baby. Indeed, it wasn’t even made clear if she was actually pregnant or simply using the idea as a means of manipulating Tyrion ...