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William "Billy" O'Donnell is a former private detective.

In the present day, Shady Oaks cemetery was being dug up to be replaced with the Cholera Pit Fashion Plaza. When one of the coffins was dug up, it was found to contain two skeletons. One of the skeletons had the business card for Simpson and O'Donnell Detective Agency on it, which Abraham Simpson was half of. The police then questioned Abe about the business card.

In the 1980s, Billy O'Donnell and Abraham Simpson ran the Simpson and O'Donnell Detective Agency together. One day, a young Agnes Skinner came to them and asked them to investigate her boyfriend, Charles Montgomery Burns, whom she suspected of cheating on her. Abe and Agnes hit it off and flirted with each other, but when Agnes saw that Abe had to babysit a young Homer, she went with Billy instead. However, Billy never returned after the investigation, and Abe renamed the agency to "Simpson and Nobody Private Investigators."...

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"Shoddy Heat" is the fourth episode of broadcast season 36 of The Simpsons and the seven hundred seventy-second episode overall. It originally aired on October 27, 2024. The episode was written by Jeff Westbrook and directed by Gabriel DeFrancesco. It guest stars Topher Grace as Billy O'Donnell.

When an unearthed corpse is found stuffed in a coffin with another body, Grampa is called in for questioning. Grampa tells the story of his past as a private investigator alongside Billy O'Donnell, and his brief romance with Agnes Skinner...

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Simpson and O'Donnell Detective Agency, later the Simpson and Nobody Private Investigators, was a private detective agency run by Abraham Simpson and Billy O'Donnell in the 1980s.

In the 1980s, Abraham Simpson and Billy O'Donnell ran the Simpson and O'Donnell Detective Agency together. One day, Agnes Skinner went into the office and asked them to investigate her boyfriend, Charles Montgomery Burns, whom she suspected of cheating on her. Abe was going to agree to do it, but he had to babysit Homer, so Billy went with her instead. After that investigation, Billy never returned, and Grampa renamed the agency to "Simpson and Nobody Private Investigators."

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Most recent news about The Simpsons.
07-09-2025 Season 37 News: A Preview Image for “Bad Boys… for Life?” has been released!
06-15-2025 Seasons 37-40 News: Fox and Disney+ exclusive episodes count!
06-14-2025 Season 37 News: Upcoming plots information revealed!
06-10-2025 Season 37 News: A new episode title, “MultipLISAty”, has been announced!
05-30-2025 RIP Alf Clausen. Longtime Simpsons Composer Dies At Age 84.
05-30-2025 Season 37 News: A new episode title, “¡The Fall Guy-Yi-Yi!”, has been announced!


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Today is July 10.

On this day...

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"They say women are like soda water. They go better with a gallon of scotch. And when the weather is hot, we drink a lot. And sometimes it's so hot people open their windows to let the air in, and their secrets out."
Abraham Simpson[src]

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Mr. Burns tries to keep cool in the heat.

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