Several plant-related crimes (in which greenish beasts attack wealthy bachelors, steal money, and poison them) take place. The prime suspect of this is Poison Ivy, now out of Arkham Asylum and married to a biology professor, with two children, Chris and Kelly. Batman spies on Poison Ivy and finds nothing out of place. After Robin is kidnapped and held for ransom by one of the plant beasts, he explains to Batman that the professor doesn't have custody of his children, and that Chris and Kelly are girls
. Breaking into Poison Ivy's greenhouse, Batman finds a bed of plastic fruit and opens it to reveal a lab. There it turns out that the professor was kidnapped and had his DNA being used to create disposable plant people with his DNA: first resembling children (Kelly and Chris), then turning into a clone of the professor, then becoming a giant beast. However, Batman and Robin never manage to catch Poison Ivy, because she is also a clone.
- Actually a Doombot: Ivy escapes by leaving a plant-duplicate of herself to battle Batman.
- Adult Fear: Both Ivy's infertility issues and the notion of being used to "make" someone else's children shade into this.
- Anti-Villain: Poison Ivy. Even Batman recognizes that all she wants is a quiet and peaceful life — the problems only arise because she wants them on her terms.
- Blessed with Suck: An interesting example, in that Ivy's poison-immunity power is the reason she cannot have children of her own.
- Civilian Villain: Poison Ivy blurs the lines a bit. She's out of prison, marries a biology professor and takes care of his two sons, Chris and Kelly. Batman spends half the episode tailing her and yeah, she seems OK. The catch? She wants to have a family on her terms, so she's locked up her husband and replaced him with a long series of plant/human hybrids using the professor's DNA. Robin realizes something's amiss when he points out the real Chris and Kelly are supposed to be girls.
- Bound and Gagged: Dick Grayson
- Continuity Nod: As Poison Ivy flees at the end of the episode, she looks over a photo album of her time in Gotham. Included in this album is a picture of Bruce Wayne and Harvey Dent (a reproduction of their groundbreaking at Stonegate Penitentiary in "Pretty Poison") and a picture of Ivy and Harley Quinn (a reproduction of their team-up in "Harley & Ivy").
- Daylight Horror: The episode shows one of the few times where Batman's in action in broad daylight. The reality behind Poison Ivy's new domestic life is no picture-perfect fairy tale, either... dear God, the "cabbage plant kids"...
- Getting Crap Past the Radar: Poison Ivy mentions that she used her "husband" for "certain raw materials" to create her alleged children with. It's very likely she means she stole his sperm.
- I'm Melting: When several of Poison Ivy's "children" come in contact with weed killer.
- Tomboyish Name: Batman observes some heartwarming interactions between Pam and her stepsons, Chris and Kelly, but knows something's up once Robin says he knows the "husband" and his daughters.
- Was It All a Lie?: The marriage was a sham, and she wanted to have a family on "her terms", but was Ivy lying when she told Batman she really was happy? No.