TV Dexter's Laboratory - Season 1 Episode 21 : Game Over Dexter's Laboratory - Season 1 Episode 21 : Game Over 7.7/10 by 849 users Dexter and Dee Dee's father buys a video game for them to play, but the game sucks Dexter inside when he plugs in the cartridge, and it is up to Dee Dee to bring him out. Details Casts Posters Images Title Dexter's Laboratory - Season 1 Episode 21 : Game Over 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 1 :Episode 1 DeeDeemensional DeeDeemensional 1996-04-28 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 1 :Episode 2 Dial M for Monkey: Magmanamus Dial M for Monkey: Magmanamus 1996-04-28 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 1 :Episode 3 Maternal Combat Maternal Combat 1996-04-28 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 1 :Episode 4 Dexter Dodgeball Dexter Dodgeball 1996-05-05 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 1 :Episode 5 Dial M for Monkey: Rasslor Dial M for Monkey: Rasslor 1996-05-05 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 1 :Episode 6 Dexter's Assistant Dexter's Assistant 1996-05-05 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 1 :Episode 7 Dexter's Rival Dexter's Rival 1996-05-12 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 1 :Episode 8 Dial M for Monkey: Simion Dial M for Monkey: Simion 1996-05-12 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 1 :Episode 9 Old Man Dexter Old Man Dexter 1996-05-12 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 1 :Episode 10 Double Trouble Double Trouble 1996-05-19 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 1 :Episode 11 Dial M for Monkey: Barbequor Dial M for Monkey: Barbequor 1996-05-19 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 1 :Episode 12 Changes Changes 1996-05-19 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 1 :Episode 13 Jurassic Pooch Jurassic Pooch 1996-05-26 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 1 :Episode 14 Dial M For Monkey: Orgon Grindor Dial M For Monkey: Orgon Grindor 1996-05-26 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 1 :Episode 15 Dimwit Dexter Dimwit Dexter 1996-05-26 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 1 :Episode 16 Dee Dee's Room Dee Dee's Room 1996-06-02 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 1 :Episode 17 Dial M For Monkey: Huntor Dial M For Monkey: Huntor 1996-06-02 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 1 :Episode 18 The Big Sister The Big Sister 1996-06-02 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 1 :Episode 19 Star Spangled Sidekicks Star Spangled Sidekicks 1996-11-20 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 1 :Episode 20 The Justice Friends: TV Super Pals The Justice Friends: TV Super Pals 1996-11-20 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 1 :Episode 21 Game Over Game Over 1996-11-20 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 1 :Episode 22 Babysitter Blues Babysitter Blues 1996-11-27 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 1 :Episode 23 The Justice Friends: Valhallen's Room The Justice Friends: Valhallen's Room 1996-11-27 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 1 :Episode 24 Dream Machine Dream Machine 1996-11-27 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 1 :Episode 25 Dollhouse Drama Dollhouse Drama 1996-12-04 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 1 :Episode 26 The Justice Friends: Krunk's Date The Justice Friends: Krunk's Date 1996-12-04 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 1 :Episode 27 The Big Cheese The Big Cheese 1996-12-04 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 1 :Episode 28 Way of the Dee Dee Way of the Dee Dee 1996-12-11 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 1 :Episode 29 The Justice Friends: Say Uncle Sam The Justice Friends: Say Uncle Sam 1996-12-11 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 1 :Episode 30 Tribe Called Girl Tribe Called Girl 1996-12-11 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 1 :Episode 31 Spacecase Spacecase 1996-12-18 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 1 :Episode 32 The Justice Friends: Ratman The Justice Friends: Ratman 1996-12-18 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 1 :Episode 33 Dexter's Debt Dexter's Debt 1996-12-18 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 1 :Episode 34 The Justice Friends: Bee Where? The Justice Friends: Bee Where? 1996-12-25 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 1 :Episode 35 Mandarker Mandarker 1996-12-25 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 1 :Episode 36 Inflata Dee Dee Inflata Dee Dee 1997-01-01 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 1 :Episode 37 The Justice Friends: Can't Nap The Justice Friends: Can't Nap 1997-01-01 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 1 :Episode 38 Monstory Monstory 1997-01-01 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...