Downloading Tom and Jerry cartoons in MP4 format can be a convenient way to enjoy your favorite episodes on-the-go. However, it's essential to be mindful of copyright issues, quality, and safety concerns. Always opt for official online platforms or reputable websites that offer legitimate downloads. If you're unsure about the legitimacy of a website or the copyright status of a file, it's best to err on the side of caution and avoid downloading. Happy watching!