Susan Twist's Identity - Doctor Who S1 E7 Season 1 Episode 7

The mysterious woman (Susan Twist) confronts her fear of not understanding who she is and why she keeps showing up on Doctor Who Season 1 Episode 7.
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UNIT Gets Involved - Doctor Who S1 E7 Season 1 Episode 7

Kate Lethbridge-Stewart (Gemma Redgrave) leads UNIT's involvement in finding out the truth about Ruby's origins on Doctor Who Season 1 Episode 7.
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Frightened Ruby - Doctor Who S1 E7 Season 1 Episode 7

Ruby (Millie Gibson) is frightened while trying to find out the truth about her origins on Doctor Who Season 1 Episode 7.
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Mel is Back Again - Doctor Who S1 E7 Season 1 Episode 7

Melanie (Bonnie Langford) again returns to work with UNIT on Doctor Who Season 1 Episode 7.
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Is Susan Twist a Shapeshifter? - Doctor Who S1 E7 Season 1 Episode 7

One of Susan Twist's identities on Doctor Who Season 1 Episode 7 looks similar to the Chuldurs that the Doctor recently ejected
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The Truth Shocks the Doctor - Doctor Who S1 E7 Season 1 Episode 7

The Doctor (Ncuti Gatwa) is shocked when he learns the truth on Doctor Who Season 1 Episode 7.
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Doctor Who Season 1 Episode 7 Quotes

Doctor: S Triad. It's an anagram. Don't you see? S Triad Technologies is TARDIS Technologies.
Kate: Thank you for pointing that out. Obviously.
Ibriham: Even I figured that out.
Morris: We all know that it's an anagram of TARDIS but the question is why?
Ruby: It's the name, isn't it? Don't you see? S Triad. Susan Triad.
Kate: Susan. Is that significant?
Doctor: It's my granddaughter.

Doctor: Rose! Rosie! Rosalinda!
Rose: It's been too long.
Doctor: How's your mum? How's your uncle?
[Ruby comes up]
Doctor: Rose, Ruby. Ruby, Rose. Two different shades of red.