Complex sentence: First season episodes scheduled to be aired on NBC cannot be aired on television due to NBC's broadcast of the 2000 Summer Olympics on Saturday mornings, thus NBC would also transfer some of its unaired episodes on Kids' WB.
Split into simpler sentences: First season episodes scheduled to be aired on NBC cannot be aired on television due to NBC's broadcast of the 2000 Summer Olympics on Saturday mornings. As a result, NBC would eventually transfer some of its unaired first season episodes on Kids' WB.