Professor's Research [Professor Oak]
PRE · 122/131
Common
68 printings
Professor's Research [Professor Oak] (Poke Ball Pattern)
Professor Oak's Visit
SW · 122/132
Uncommon
2 printings
Impostor Professor Oak's Invention
TCGP-23729
Rare
Professor Oak's Setup
SM12 · 201/236
Imposter Professor Oak
s8a-P · 004/025
Holofoil
3 printings
AR · 90/99
Professor Oak (CLC)
CL · 023/034
Classic Collection
6 printings
Professor Oak (CLV)
CL · 024/034
Professor Oak's Research
TCGP-23730 · 053/128
Professor Oak (CLB)
CL · 025/034
Professor Oak's New Theory - 2010 (Yuta Komatsuda)
WCD · 101/123
10 printings
CLV · 026/032
None
5 printings
Professor Oak (CLL)
CLL · 027/032
Professor Oak's New Theory (Mirror Holofoil)
L1: HG · 068/070
4 printings
Professor Oak's New Theory - 2012 (Shuto Itagaki)
WCD · 83/95
Professor Oak's Hint
CP6 · 084/087
Professor Oak's New Theory - 2011 (Christopher Kan)
TCGP-24117 · 078/082
Professor Oak's New Theory - 2012 (Igor Costa)
Professor Oak's New Theory - 2011 (David Cohen)
Professor Oak's New Theory - 2012 (Chase Moloney)
DP3-24051
Professor Oak's New Theory
L2-24080 · 015/019