Dawn Lyn Nervik (born January 11, 1963) is a retired American actress best known for her role as Dodie Douglas during the last three seasons of the long-running family comedy television series My Three Sons. Her brother, Leif Garrett, is a singer.

Answer this question based on the passage: girl who played dodie on my three sons? Let's have some stream of consciousness first.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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This is the relevant information: Dawn Lyn Nervik (born January 11, 1963) is a retired American actress best known for her role as Dodie Douglas during the last three seasons of the long-running family comedy television series My Three Sons. So, the answer is Dawn Lyn Nervik.