Instructions: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Input: Context : ''Catch 'Em If You Can'' is the 18th episode of The Simpsons' fifteenth season, first broadcast on April 25, 2004.
Answer : The Simpsons
Output:
What series is the episode Catch 'Em If You Can part of?