Talk:List of season 10 episodes/@comment-9564018-20150819002415/@comment-25789021-20150819020105

Yes Sparky will be added in this season. It's even confirmed here:

http://biz.viacom.com/sites/nickelodeonpress/NICKELODEON/Pages/showpdf.aspx?FileName=NICKELODEON%20CONTINUES%20TO%20CHARM%20FANS%20WITH%20SEASON%2010%20ORDER%20OF%20ANIMATED%20SERIES%20THE%20FAIRLY%20ODDPARENTS.pdf&ListName=Press%20Releases&ItemID=883

If you're lazy, take a look at this (I bolded Sparky):

The animated series cast includes Tara Strong (Ultimate Spider-Man) as Timmy Turner, Susanne Blakeslee (Shrek the Third) as Wanda, Daran Norris (T.U.F.F. Puppy) as Cosmo, Grey Griffin (T.U.F.F. Puppy) as Vicky, Carlos Alazraqui (Happy Feet) as Mr. Crocker and Matt Taylor (South Park, Open Season) as Sparky.