Last year, which was Doctor Who's 50th anniversary, Kate O'Mara said she would love to reprise her role as The Rani.
O'Mara told the Huffington Post: "I'd love to come back as The Rani another time around.
"To have a much older woman as your adversary, there's something interesting about that."
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The showers will be slow-moving, heavy and thundery at times, particularly in central and eastern areas.