In the final segment , Billy's overprotective mother, Gladys, discovers Grim sleeping in her son's bed and hanging out in the shower. This leads to a total nervous breakdown for Gladys, while Billy's dad, Harold, remains oblivious and convinced his wife is just "cracked". The segment establishes the ongoing rivalry between Gladys and Grim.
Check out this deep dive into the history and production of the series premiere: [S1E1] Meet the Reaper/Evil Con Carne/Skeletons...
The pilot segment introduces Billy and Mandy, two neighborhood kids in Endsville. When the Grim Reaper arrives to take the soul of Billy's ten-year-old hamster, Mr. Snuggles, Mandy challenges him to a game of limbo. The stakes are high: if the kids win, Grim must be their "best friend forever"; if he wins, he takes the hamster. After Mandy cheats to ensure their victory, Grim is reluctantly bound to the children as their eternal companion. 2. " Evil Con Carne " In the final segment , Billy's overprotective mother,