Most of the following information was posted on the OTRR group's yahoo page
There were no rerun episodes. Episodes of the same play were produced, but in each case there were some differences in the actors or director.
a. 93 titles were produced twice
35-12-09 episode 58 The Show-Off stars Joe E Brown, not Hal Peary
36-03-02 episode 70 Alias The Deacon stars Victor Mature, not Bob Burns
36-08-10 episode 93 The Jazz Singer is confused with 47-06-02 episode 575 as both star Al Jolson. Check the costars – It's usually Gail Patrick, ergo episode 575
37-04-12 episode 128 Dodsworth is confused as episode 144 (37-10-04). Both star Walter Huston, but 128 has never surfaced
38-09-19 episode 185 Morning Glory stars Barbara Stanwyck, not Judy Garland
41-02-03 episode 293 Rebecca stars Ronald Colman, not Laurence Olivier
47-09-08 episode 581 Margie and 51-10-22 episode 762 both star Jeanne Crain. Check
the costar – Its usually Hugh Marlowe, ergo episode 762
48-11-29 episode 635 Brief Encounter stars Greer Garson, not Olivia DeHaviland
49-08-29 episode 666 June Bride stars Bette Davis, not Irene Dunne
50-12-04 episode 724 Apartment for Peggy and 49-02-28 episode 648 both star Jeanne Crain. Check the costars – It’s usually Edmund Gwen, ergo episode 648
54-02-01 episode 867 Laura and 45-02-05 episode 470 Laura both star Gene Tierney. Check the costars – It’s usually Vincent Price, ergo episode 470
b. 10 titles were produced three times
c. 2 were so popular they ran four times
Some logs have different episode numbers for shows of latter years.
Always check your dates!