Final answer:
In 'The Simpsons', Ned Flanders would likely replace detention with community service or activities promoting kindness, as his character is known for his positive and constructive approach.
Step-by-step explanation:
The question "What did Ned Flanders replace detention with?" refers to an event from the television show The Simpsons, where the character Ned Flanders takes a unique approach to discipline. While the specific episode is not mentioned in the question, it is common for Ned Flanders, as a positive and religious character in the show, to replace traditional punitive measures with more constructive or community-oriented activities. The given information about jails and fairgrounds does not directly pertain to the show or the character of Ned Flanders. Hence, with respect to the show, an answer could include actions like encouraging kids to participate in community service or engage in group activities that promote kindness and understanding as a substitute for detention.