Overview
It's Halloween, Billy, Mandy and Grim go trick-or-treating. Grim mistakes a woman for Atrocia, the host of the all-night Halloween marathon on TV and goes to talk to her. Upon looking at her face, Grim realizes his mistake; however, the woman mistakes Grim for her son, Gregory, and takes him home Gregory is now Grim, and does not have a stomach. At the same time, Billy mistakes Gregory for Grim and he and Mandy take him with them. In the end, Billy and Mandy take Gregory back to his mother and Grim goes back with them.
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1 - 1Meet the Reaper August 24, 2001
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1 - 2Skeletons in the Water Closet August 24, 2001
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1 - 3Opposite Day August 31, 2001
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1 - 4Look Alive! August 31, 2001
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1 - 5Mortal Dilemma September 07, 2001
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1 - 6Get Out of My Head! September 07, 2001
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1 - 7Fiend Is Like Friend Without the 'R' October 05, 2001
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1 - 8Recipe for Disaster October 12, 2001
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1 - 9A Dumb Wish October 19, 2001
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1 - 10Grim vs. Mom July 19, 2002
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1 - 11Tastes Like Chicken July 19, 2002
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1 - 12Grim or Gregory? July 26, 2002
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1 - 13Something Stupid This Way Comes July 26, 2002
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1 - 14A Grim Surprise August 02, 2002
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1 - 15Beasts and Barbarians August 02, 2002
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1 - 16Hoss Delgado: Spectral Exterminator August 09, 2002
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1 - 17To Eris Human August 09, 2002
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1 - 18Billy's Growth Spurt October 04, 2002
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1 - 19Billy & the Bully October 04, 2002
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1 - 20Big Trouble in Billy's Basement October 11, 2002
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1 - 21Tickle Me Mandy October 11, 2002
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1 - 22Little Rock of Horrors October 18, 2002
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1 - 23Dream a Little Dream October 18, 2002