Jonathan Taylor Thomas wanted to quit acting to focus on academics instead. He left the show in 1998, making occasional guest appearances thereafter. He did not appear in the series finale, except in archived footage.
Say, do you think they call it a nail gun because it shoots nails?
Jason's actor, Jarrad Paul is sometimes spelled as "Jared Paul" in the credits.
Most episodes featured outtakes from either Tool Time or the show itself as a backdrop to the closing credits.
Syndication prints replace the first season opening credits (in which the cast's names are printed in a different font), with the opening credits that were used beginning with season two. Although the opening sequences are the same across the two seasons, the theme tunes are not.
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We asked Doctors Jo Wilson, April Kepner, and Andrew DeLuca to tell us the episodes of the show that they think are the most essential to understanding their characters.