A possible concise summary is:
Bart and Lisa buy a spy kit for themselves and give Marge an ironing board cover for her birthday, making her feel unappreciated. They try to make it up to her by finding her childhood parrot Petey, but he turns out to be a nightmare. Homer becomes obsessed with posting dangers on an app called Alarmist, but ends up in a sinkhole with his rival. Marge is happy that her kids care about her and shows off her new robe to her friends.
Here are some possible facts extracted from the text:
1. The text is a transcript of an episode of The Simpsons, an animated sitcom.
2. The episode is titled "The Spy Who Learned Me" and aired on May 6, 2012.
3. The main plot involves Homer using a spy kit to post warnings on an app called Alarmist and getting trapped in a sinkhole with Moe.
4. The subplot involves Bart and Lisa trying to find a better birthday gift for Marge than an ironing board cover.
5. Marge's childhood parrot Petey is revealed to be still alive and living with a wild flock in North Haverbrook.
6. Petey can imitate any sound, including the "You Lose" horn from The Price is Right and Marge's voice.
7. Homer saves Moe's life by performing the Heimlich maneuver on him after he chokes on candy.
8. Marge is happy that her kids went to the trouble of finding Petey for her, even though he attacks her.
9. The episode ends with Marge showing off her new robe to her friends, while Bart and Lisa cover up the sinkhole with a billboard.