![Dexter's Laboratory: The Big Sister Poster](https://image.tmdb.org/t/p/w500//zP2A8Ht3TCgIooHmvbid4b0CdXS.jpg)
Dexter's Laboratory: The Big Sister
60.00%
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March 10, 1996
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Animation
When boy genius, Dexter makes experimental cookies, his sister, Dee Dee eats one and turns into a giant.
Featured Crew
Genndy Tartakovsky
Director
Genndy Tartakovsky
Writer
Craig McCracken
Art Direction
0
Cast
![Christine Cavanaugh](https://image.tmdb.org/t/p/w300//qOUpGURljNhgFzZ5SmV5miAmT9x.jpg)
Christine Cavanaugh
Dexter (voice)
Allison Moore
Dee Dee (voice)
![Kath Soucie](https://image.tmdb.org/t/p/w300//62hvT4USvGa9OAsMP9guIBtJqkf.jpg)
Kath Soucie
Mom / Ms. Physics (voice)
![Jeff Bennett](https://image.tmdb.org/t/p/w300//6Fq3Q1e0Oz0j2J2fnFSl7fKCHd9.jpg)
Jeff Bennett
Professor / Cop / Anchor Man / Man #1 (voice)
![Frank Welker](https://image.tmdb.org/t/p/w300//xXODQ5AX6pG4my8ieeEIuiAREXs.jpg)
Frank Welker
President / General / Guy / Man #2 / Einstein (voice)