Black Bottom Pie

18 chocolate wafers
1/2 cup granulated sugar
1/4 cup melted butter or margarine
1 (6 ounce) package chocolate bits
1/2 cup heavy cream
1/2 teaspoon vanilla extract
1/2 pint chocolate ice cream
1 quart orange sherbet

Crush wafers; place in bowl. Add sugar and butter. Mix. Press into 9-inch pie plate. Chill.

Place chocolate bits and cream in saucepan; cook over low heat, stirring occasionally until melted. Stir in vanilla extract; chill until thickened.

Stir chocolate ice cream until smooth; spoon into crust. Spread 3/4 of the chocolate sauce over ice cream; return to freezer until firm.

Soften sherbet; spoon over top. Freeze until firm.