TV Dexter's Laboratory - Season 0 Episode 2 : The Big Sister Dexter's Laboratory - Season 0 Episode 2 : The Big Sister 7.7/10 by 849 users When Dee Dee eats an experimental cookie of Dexter's design, she grows extremely tall and makes the city her dollhouse, leaving it up to Dexter to don his giant Robo-Dexo suit and bring her back. Details Casts Posters Images Title Dexter's Laboratory - Season 0 Episode 2 : The Big Sister Alternative Titles Dexter First Air Date 1996-04-28 Last Air Date 2003-11-20 Number of Episodes 220 Number of Seasons 4 Genres Animation, Comedy, Sci-Fi & Fantasy, Networks Cartoon Network, Casts Candi Milo, Kat Cressida, Jeff Bennett, Kath Soucie, Eddie Deezen Plot Keywords , Dexter (voice) Candi Milo Dee Dee (voice) Kat Cressida Dad (voice) Jeff Bennett Mom (voice) Kath Soucie Mandark (voice) Eddie Deezen Episodes List Dexter's Laboratory Season 0 :Episode 1 Dexter's Laboratory Dexter's Laboratory 1995-02-26 Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her... Dexter's Laboratory Season 0 :Episode 2 The Big Sister The Big Sister 1996-03-10 Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her... Dexter's Laboratory Season 0 :Episode 3 Old Man Dexter Old Man Dexter 1996-03-24 Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her... Dexter's Laboratory Season 0 :Episode 4 Dumb Like Dee Dee Dumb Like Dee Dee 1996-04-14 Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her... Dexter's Laboratory Season 0 :Episode 5 Ego Trip Ego Trip 1999-12-10 Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her... Dexter's Laboratory Season 0 :Episode 6 Rude Removal Rude Removal 2013-01-22 Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her... Dexter's Laboratory Season 0 :Episode 7 What's His Name? What's His Name? 2000-06-30 Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her... Dexter's Laboratory Season 0 :Episode 8 Secret Formula Secret Formula 2002-08-23 Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her... Dexter's Laboratory Season 0 :Episode 9 Back to the Lab Back to the Lab 2002-08-16 Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her...