The Simpsons
Bart Gets a 'Z'
TV Flash files “Bart Gets a 'Z'” as hour 443 of 802 in the TV Flash guide — The Simpsons (1989–present) on Fox, season 21, episode 2, aired 2009-10-04, 30 min.
From the desk
How this hour is filed
This leaf is S21E02: listed hour 443 of 802 in the The Simpsons guide, hour 2 of 23 in season 21. It aired 2009-10-04 (30 min). The listed hour before it is “Homer the Whopper” (S21E01). Next is “The Great Wife Hope” (S21E03). Broadcast log — titles and dates, not a plot bible.

Catalog log
Broadcast listing — not a TV Flash recap.
When Mrs. Krabappel confiscates student's cell phones, the class, organized by Bart, decides to teach her a lesson by spiking her coffee and watching her make a drunken fool of herself. Principal Skinner fires Mrs. Krabappel and replaces her with a cool new teacher, Zachary Vaughn, who impresses Bart and his friends with a hip attitude and love of texting, blogging and using Twitter and Facebook. Torn by his affection for Mr. Vaughn, yet plagued by guilt, Bart makes his way to Skinner's office to tell him the truth and get Mrs. Krabappel's job back. Blackboard: 'Chalkboarding is not torture'.
Viewer FAQ
Where does Bart Gets a 'Z' sit in the The Simpsons guide?
S21E02 is listed hour 443 of 802 — hour 2 of 23 in season 21, season 21 episode 2.
When did The Simpsons S21E02 air?
Bart Gets a 'Z' aired 2009-10-04 and is listed at 30 minutes.
Where should I start if I am not watching all 800 episodes?
Start with the 1989 Christmas premiere, then a handful of golden-age hours from seasons four through eight. Treat the rest as a library, not a novel.
In the series
Why this series still plays
Watch it as a living joke encyclopedia, not a series you owe from pilot to present. The early years still teach how American satire learned to reset weekly; the later catalog is optional weather. You already speak Springfield. This is how the grammar got written.
The first image is a couch, and then it is not. The Simpsons treats the opening gag as a weekly contract: we will reset the living room, and we will still find a new joke about the country that owns it. Fox put a yellow family on Sunday nights in 1989 after the Tracey Ullman shorts, and the half-hour that followed did not merely popularize adult animation. It installed a shared vocabulary. People who stopped watching still speak Springfield.
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