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Knights of the Periodic Table
Knights of Periodic Table
Author Bobbi JG Weiss and David Weiss
Illustrator Frances Mateu
Publication date March 1, 2003
Published by Scholastic
ISBN 0439434254
Publication Order
Preceded by
Followed by
“Dexter and Mandark go MEDIEVAL!”
Tagline for Knights of the Periodic Table

Knights of the Periodic Table is a book based on Dexter's Laboratory that was published by Scholastic on March 1, 2003.

The title is a portmanteau of the periodic table of the elements and the Knights of the Round Table.


When Dexter is sent to medieval times, he becomes Sir Dexter of Labalot, who is one of the Knights of the Periodic Table and must rescue his sister Lady DeeDeever from impending doom. To make matters worse, Sir Mandark follows him and keeps getting in his way. The two must set aside their differences and work together to rescue Lady DeeDeever.