Seeing that Kara tends to express her anger in destructive ways, Jessica invites her to attend an after-school session so she can learn to deal with her emotions. Kara thinks little of the activities, saying that she should be free to express her anger as she sees fit as long as no one gets hurt. Jessica later hypnotizes Kara to perceive irritants as cute animals, while Pamela Isley becomes enraged at the city's plans to drain and pave over a lake and manifests her power as Poison Ivy to unleash a huge algae monster. Jessica and Kara suit up as Green Lantern and Supergirl to fight it, but are quickly engulfed. Green Lantern admits to having fear and anger issues of her own, which prompted her to try to help Supergirl. The revelation snaps Supergirl out of her hypnosis; with Green Lantern's help, she tears out the monster's central spore and throws it into the sun. Afterward, Jessica promises not to interfere in how Kara expresses her emotions anymore, and Kara admits that Jessica actually helped her a bit in that respect.
- Phil LaMarr as Barry Allen/The Flash, Carter Hall/Hawkman
- Cristina Milizia as Pam Isley/Poison Ivy
- Tara Strong as Barbara Gordon/Batgirl
- Nicole Sullivan as Supergirl/Kara Danvers
- Fred Tatasciore as Mr. Chapin/Construction Worker
- Myrna Velasco as Green Lantern/Jessica Cruz
- Kari Wahlgren as Zee Zatara/Zatanna
- This episode and "Happy Birthday Zee" both premiered on the Fourth of July, the Independence Day for USA.
- This is the first appearance of Hawkman, The Flash, and Poison Ivy in the second season.
- Jess was eating pizza even though she is vegan, although she may have been eating a meat free pizza slice.
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