"Ha-Ha Horticulture" is the eleventh webisode in the fourth season of the DC Super Hero Girls web series, and seventy-sixth webisode overall. It was released on March 29, 2018.
When Ivy's plant experiment goes awry and puts the whole school to sleep, it's up to her and Harley to find the antidote.
Starring the Voices of
- Yvette Nicole Brown as Principal Waller
- Anais Fairweather as Supergirl
- Nika Futterman as Hawkgirl
- Stephanie Sheh as Katana
- Tara Strong as Harley Quinn / Poison Ivy
- Fred Tatasciore as Solomon Grundy
- Mae Whitman as Batgirl
- Despite her minor role in the graphic novel Hits and Myths, this is Raven's debut appearance in the webseries. However, she never spoke since she's put to sleep. She does for the first time in the series, starting with "Nevermore Part 1".
- Wonder Woman, Supergirl, Batgirl, and Katana do not speak in this webisode. Though oddly enough, Anais Fairweather, Mae Whitman, and Stephanie Sheh are still credited for the latter three roles, presumably due to their grunts when waking up.
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