"Tom and Jerry" is an iconic American animated series created in 1940 by William Hanna and Joseph Barbera. It centers around the comedic rivalry between Tom, a cat, and Jerry, a mouse. Here are some key points about the series:

1. **Origins and Evolution**:
- The first episode, "Puss Gets the Boot," debuted on February 10, 1940.
- The series was produced by Metro-Goldwyn-Mayer (MGM) and became a staple of the golden age of American animation.
- Over the decades, "Tom and Jerry" has gone through various changes in production and style, including different animation studios and directors.

2. **Format**:
- Each episode typically features Tom's elaborate and often disastrous attempts to catch Jerry.
- The show is known for its slapstick comedy, exaggerated visual gags, and minimal dialogue, relying heavily on music and sound effects.

3. **Characters**:
- **Tom**: A grey and white domestic cat, often depicted as a house cat doing his best to catch Jerry, though his schemes almost always backfire.
- **Jerry**: A small brown mouse, usually outsmarting Tom and causing him endless frustration.
- Other recurring characters include Spike (a bulldog), his son Tyke, Toodles Galore (a female cat), and other animals and humans who sometimes get involved in the chase.

4. **Awards and Legacy**:
- "Tom and Jerry" has won seven Academy Awards for Best Animated Short Film.
- The series has left a lasting legacy, influencing many subsequent animated works and remaining popular through reruns, new adaptations, and merchandise.

5. **Modern Adaptations**:
- New versions and adaptations of the series have been produced, including TV shows, movies, and specials.
- The characters have also been featured in various crossovers and parodies in other media.

The timeless appeal of "Tom and Jerry" lies in its universal humor, creative animation, and the endless cat-and-mouse antics that continue to entertain audiences of all ages.