When a seedpod from space crashes into Gotham City Batgirl, Supergirl, and Poison Ivy all rush to investigate--but while the two superheroes want to uproot the alien menace, Poison Ivy sees it as a powerful weapon.

When Batgirl and Supergirl investigate mysterious tremors in Gotham Bay, they discover Lex Luthor, the crooked businessman, digging up deep-sea Kryptonite deposits, and the two friends must battle Luthor and his drones before they get trapped beneath the waves.

Celebrate the Power Rangers' 25th anniversary with this eye-witness account of Angel Grove's earliest invaders. Take a trip across the cosmos with this comprehensive guide to the original alien invasions in Angel Grove. From notoriously nefarious villains like Rita Repulsa to goofball goons like Pumpkin Rapper, discover a world of monsters, mutants, beasts, and baddies in this collectible book for fans of all ages.

The Cheetah is unaware that the ancient necklace she steals from the museum turns her into a mindless beast, leaving Batgirl and Supergirl to battle a mutant monster.

Harley crashes the Kaleidoscope Collectors Convention, but when Batgirl and Supergirl show up to challenge her, the three tussle over a kaleidoscope that is actually a time travel device, transporting them all into in the Middle Ages.

The Joker hypnotizes the crowd at a comedy festival, but when Batgirl and Supergirl swoop in to challenge the supervillain, he uses his bubble blower invention to try and stop them.

When General Zod escapes the Phantom Zone and an interdimensional portal device malfunctions, Supergirl and Batgirl navigate through the weird, wild dimensions to find Zod and put him back in prison.

A teleporter accident has merged Batgirl and Supergirl into one body, so as they try to undo this mishap, they also need to stop Two-Face's crime spree wreaking havoc on Gotham City.

A wild scream echoes across Metropolis, and when they investigate Batgirl and Supergirl find that Silver Banshee is planning to broadcast a mind-control curse over the city.