* 31/xx/xx    1 Si and Elmer receive Detective Paraphenalia
* 31/xx/xx    2 Si and Elmer Trapped In A Bank Vault
* 31/xx/xx    3 Elmer Disappears From Bank Vault
* 31/xx/xx    4 Elmer And Steve Rescue Si
* 31/xx/xx    5 Si and Elmer Consult The Sheriff
* 31/xx/xx    6 Si and Elmer Will Go To Chicago
* 31/xx/xx    7 Si and Elmer On Train To Chicago
* 31/xx/xx    8 Si and Elmer Find Bank Robbery Suspect
* 31/xx/xx    9 Si and Elmer Watch Suspect In Restaurant
* 31/xx/xx   10 Bank Robber Arrested
* 31/xx/xx   11 Elmer Practices Speech
* 31/xx/xx   12 Disaster Strikes At Speech
* 31/xx/xx   13 Elmer Ready To Leave Town
* 31/xx/xx   14 Si and Elmer Will Investigate Murders
* 31/xx/xx   15 Si and Elmer Take Train To Railroad Branch Line
* 31/xx/xx   16 Pat Doesn't Show Up
* 31/xx/xx   17 Pat Tells The Story Of The Ghost Train
* 31/xx/xx   18 Si and Elmer Will Take Pictures Of Ghost Train
* 31/xx/xx   19 Pat Vanishes As Train Passes
* 31/xx/xx   20 Si and Elmer To Get Film Developed
* 31/xx/xx   21 Si and Elmer Are Followed
* 31/xx/xx   22 Si and Elmer Tell Their Story To The Sheriff
* 31/xx/xx   23 Si and Elmer Try To Figure Out A Motive
* 31/xx/xx   24 Photos Give Clue To Criminal's Identity
* 31/xx/xx   25 Si and Elmer Return To Crime Scene
* 31/xx/xx   26 Sheriff Explains How Ghost Train Works
* 31/xx/xx   27 Si and Elmer And Sheriff Will Question Manuel
* 31/xx/xx   28 Si and Elmer Encoun ter Manuel
* 31/xx/xx   29 Manuel Is Arrested
* 31/xx/xx   30 Having Fun With A Phonograph Record
* 31/xx/xx   31 Si and Elmer Find A Baby And A Dog
* 31/xx/xx   32 Si and Elmer Try To Care For Baby And Dog
* 31/xx/xx   33 Widow Gives Instruction For Care Of Baby
* 31/xx/xx   34 Si and Elmer Will Find The Baby's Parents
* 31/xx/xx   35 Dog Responds To Elmer's Whistling
* 31/xx/xx   36 Si Babysits And Elmer Looks For Baby
* 31/xx/xx   37 Si and Elmer Place Ad For Baby's Family
* 31/xx/xx   38 Many Calls Come In
* 31/xx/xx   39 Si and Elmer Follow Tracks In The Snow
* 31/xx/xx   40 Si and Elmer Find The Baby's Family
* 31/xx/xx   41 Steve Hires Si And Elmer To Work At A Traveling Show
  31/xx/xx   42 Si and Elmer 42
  31/xx/xx   43 Si and Elmer 43
* 31/xx/xx   44 Si and Elmer Still Trying To Name Their Dog
* 31/xx/xx   45 Si and Elmer Will Investigate Mystery At Old House
* 31/xx/xx   46 Si and Elmer Move Into A Spooky Old House
* 31/xx/xx   47 Sam Delivers Note From Steve
* 31/xx/xx   48 Si and Elmer Encounter Grandfather Clock
* 31/xx/xx   49 Doors Open And Close By Themselves
* 31/xx/xx   50 Si and Elmer Discover Fire In The Furnace
* 31/xx/xx   51 Si and Elmer Explore The Cellar
* 31/xx/xx   52 Someone Must Be In The Cellar
  31/xx/xx   53 Si and Elmer Trapped By A Moving Wall
  31/xx/xx   54 Si and Elmer 54
  31/xx/xx   55 Si and Elmer 55
* 31/xx/xx   56 Sheriff And Steve Will Visit The House
* 31/xx/xx   57 A Man Has Been Seen Around The House
  31/xx/xx   58 Si and Elmer 58
  31/xx/xx   59 Si and Elmer 59
* 31/xx/xx   60 Si and Elmer Discover Underground Room
* 31/xx/xx   61 Dog Lead Sheriff And Steve To The Cellar
  31/xx/xx   62 Si and Elmer 62
  31/xx/xx   63 Si and Elmer 63
* 31/xx/xx   64 Sheriff And Steve Looking For Si And Elmer
* 31/xx/xx   65 Everyone Scares Each Other
* 31/xx/xx   66 Sheriff Gets The Whole Story
* 31/xx/xx   67 Si and Elmer Will Fight Giant Men
* 31/xx/xx   68 Man Emerges From Tunnel
* 31/xx/xx   69 Si and Sheriff Find Pearls
  31/xx/xx   70 Si and Elmer 70
  31/xx/xx   71 Si and Elmer 71
  31/xx/xx   72 Si and Elmer 72
  31/xx/xx   73 Si and Elmer 73
  31/xx/xx   74 Si and Elmer 74
  31/xx/xx   75 Si and Elmer 75
  31/xx/xx   76 Si and Elmer 76
  31/xx/xx   77 Si and Elmer 77
  31/xx/xx   78 Si and Elmer 78
  31/xx/xx   79 Si and Elmer 79
  31/xx/xx   80 Si and Elmer 80
  31/xx/xx   81 Si and Elmer 81
* 31/xx/xx   82 Si and Elmer Investigate Mysterious Voice
* 31/xx/xx   83 Voice Threatens Steve Gregory
  31/xx/xx   84 Si and Elmer 84
  31/xx/xx   85 Si and Elmer 85
  31/xx/xx   86 Si and Elmer 86
  31/xx/xx   87 Si and Elmer 87
* 31/xx/xx   88 Dissassembling Steven's Room
* 31/xx/xx   89 A Clue In The Bookcase
* 31/xx/xx   90 Elmer Thinks Mr Gregory Will Be Killed
* 31/xx/xx   91 Sheriff Explains How Radio Works
  31/xx/xx   92 Si and Elmer 92
  31/xx/xx   93 Si and Elmer 93
* 31/xx/xx   94 Elmer Thinks Butler Is Voice
* 31/xx/xx   95 Voice Is Heard Again