This exchange is a reference to the old TV commercials for Reese's Peanut Butter Cups. Edit
The kid wearing the ghost costume with too many holes in it is a reference to Charlie Brown's costume in It's The Great Pumpkin, Charlie Brown. His complaint here mirrors Charlie's repeated line from the special, "I got a rock." Edit
S 1 : Ep 22
Aired 1/1/95
S 1 : Ep 21
Aired 1/1/95
S 1 : Ep 20
Aired 11/16/96
S 1 : Ep 19
Aired 11/9/96
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