| Issue | #501 |
| Published | April 1981 |
| Cover Price | 0.50 USD |
| Pages | 36 |
| Editing | Paul Levitz |
| Characters | Batman; Alfred Pennyworth; Lucius Fox |
| Genre | superhero |
| Pencils | Jim Aparo (signed) |
| Inks | Jim Aparo |
| Reprinted | in Batman Sonderheft (Egmont Ehapa, 1976 series) #23 |
| Characters | Batman; Alfred Pennyworth; Lucius Fox; Inspector Dupre; Julia Remarque; GS: Mlle. Marie (flashback) |
| Synopsis | Alfred and Lucius leave Gotham mysteriously, and Batman follows them to Paris where they all become involved in the mystery behind the death of French resistance fighter Mlle. Marie. |
| Genre | superhero |
| Script | Gerry Conway |
| Pencils | Don Newton |
| Inks | Dan Adkins |
| Colors | Adrienne Roy |
| Letters | Ben Oda |
| Notes | Story continued in DETECTIVE #502. |
| Reprinted | in Batman Sonderheft (Egmont Ehapa, 1976 series) #23 |
| Characters | Wonder Woman; Borrower |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Vince Colletta |
| Notes | Hostess Twinkies ad |
| Characters | Batgirl; Commissioner James Gordon; Jeff Cotton; Doreen Gray |
| Synopsis | Dr. Voodoo is back for revenge on Batgirl. |
| Genre | superhero |
| Script | Cary Burkett |
| Pencils | Jose Delbo |
| Inks | Joe Giella |
| Colors | Gene D'Angelo |
| Letters | John Costanza |
| Script | letters answered by Paul Levitz |
| Letters | typeset |
| Notes | Letters submitted by Dave Lauder; Jeff DeMos; Al Schroeder III |