A very short black-and-white cartoon was shown on the Warner Bros. 50th Anniversary TV show. Porky is shown doing some carpentry work, pounding nails, when he smacks his thumb with the hammer. Grimacing in pain, he cries:
[youtube]http://www.youtube.com/watch?v=-Oa5a3gaH2E[/youtube]
This short, so-called "blooper" can also be found on the Looney Tunes Golden Collection: Volume 4 of 2006, under the title Porky's Breakdowns (with several versions of the clip, making it look like a true "blooper"); and on an Each Dawn I Die DVD box set, also released in 2006.