Batman issue No. 20 was published by DC Comics in December 1943 and January 1944. It sold for 10 cents. The yellow cover features art by Dick Sprang that depicts Batman and Robin driving the Batmobile and bursting through the page. While the Batmobile had appeared in previous issues, this was its cover debut.
This issue contains the stories "The Centuries of Crime," "The Trial of Titus Keyes," "The Lawmen of the Sea," and "Bruce Wayne Loses the Guardianship of Dick Grayson."
Batman made his comic debut in 1939 in Detective Comics No. 27 before receiving his own self-titled line of comic books in 1942.