Billy hatches a giant, talking spider from an egg in Grim's secret trunk. Despite the spider's overwhelming fondness for Billy, Billy hates all bugs and wants it dead. The day before Mother's Day, Johnny realizes he's forgotten to get his Mama a gift. Little Suzy gives him a few pointers on how to make money. Eddy convinces Ed and Edd that neighborhood rules don't apply to them. But when the other kids start breaking rules like the Eds, chaos ensues. Muriel’s free seeds grow into a magic tree that makes wishes come true. When Muriel falls ill with a mysterious sickness, Courage must find a cure which ultimately only the tree can provide.