Here's a Bunch of eBay links for the original VHS releases

https://www.ebay.com/itm/Once-Upon-A-Tree-Volume-6-Show-Biz-Growing-Pains-VHS/202267908280?hash=item2f181b58b8:g:oMgAAOSw8mRaspaj https://www.ebay.com/itm/Once-Upon-A-Tree-Volume-6-Show-Biz-Growing-Pains-VHS-NEW-SEALED/302725541364?hash=item467bd92df4:g:Z44AAOSwyP5aH4YL https://www.ebay.com/itm/Once-Upon-A-Tree-Volume-3-Night-Owl-and-Its-Amazing-VHS-NEW-SEALED/192484466614?hash=item2cd0f7dfb6:g:sNQAAOSw9N1arD~J https://www.ebay.com/itm/Once-Upon-A-Tree-Volume-3-Night-Owl-It-s-Amazing-VHS-NEW-SEALED/302725536670?hash=item467bd91b9e:g:xb8AAOSwQS1aH4Ll https://www.ebay.com/itm/Once-Upon-A-Tree-Teamwork-Rules-The-Secret-Club-Vol-1-VHS/192486141620?epid=3382499&hash=item2cd1116eb4:g:2DMAAOSwDtVarsdj https://www.ebay.com/itm/Once-Upon-a-Tree-Volume-13-Track-it-Down-Count-on-Me-VHS-2002-NEW-SEALED/302725545541?epid=3385870&hash=item467bd93e45:g:IrcAAOSwCcZaH4hc https://www.ebay.com/itm/Once-Upon-A-Tree-Volume-8-Carrot-Caper-Family-Tree-VHS-NEW-SEALED/302725543508?hash=item467bd93654:g:8~0AAOSwU4FaH4b4 https://www.ebay.com/itm/Once-Upon-A-Tree-VHS-Volume-II-No-Place-Like-Home-Lost-and-Found-Ages-2-8-NEW/292529266163?epid=3409594&hash=item441c1a5df3:g:Zk8AAOSwwf5Z3Cmt https://www.ebay.com/itm/Once-Upon-A-Tree-Volume-9-One-Egg-Or-Two-Going-Places-VHS-NEW-SEALED/302725544579?hash=item467bd93a83:g:Ti0AAOSwzppaH4fK https://www.ebay.com/itm/Once-Upon-A-Tree-Volume-5-The-Big-Plunge-Sounds-Of-The-Forest-VHS-NEW-SEALED/302725538503?hash=item467bd922c7:g:sJgAAOSwZW5aH4Tp https://www.ebay.com/itm/Once-Upon-A-Tree-Volume-7-Can-t-Wait-To-Paint-Duck-Tales-VHS/302725546101?hash=item467bd94075:g:vYIAAOSwGwlaH4lR https://www.ebay.com/itm/Once-Upon-a-Tree-Volume-2-Winning-the-Race-Big-Ears-VHS-2002-NEW-SEALED/302725535313?epid=3409594&hash=item467bd91651:g:NWEAAOSwW6BaH4E4