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The Fabulous Belding Boys
From 1990: Belding’s brother is a hit as a substitute teacher, but a miss on the class’s field trip. Rod: Edward Blatchford. Zack: Mark-Paul Gosselaar. Belding: Dennis Haskins., From 1990: Belding’s brother is a hit as a substitute teacher, but a miss on the class’s field trip., When Mr. Belding’s hip younger brother, Rod, fills in as a substitute teacher, the gang immediately takes a liking to him, much to the chagrin of the straight-laced principal. But when Rod’s freewheeling demeanor proves to be part of an overall unreliable and irresponsible personality, Zack develops a newfound appreciation for Mr. Belding.