She made several visits to Earth-One. Her first was in "Batman Family" #17, where she met the Earth-One Batman, Robin, Batgirl and Batwoman, and fought the Earth-One Catwoman, Poison Ivy and Madame Zodiac. Seeing in him her father returned to her, she took to calling the Earth-One Batman her "Uncle Bruce", and built a familiar relationship with him. As a member of the Justice Society, she participated in several of the annual JLA/JSA meetings, most of which took place on Earth-One. She also participated in the battle against the Adjudicator as part of the female force of multiple Earths led by the Earth-One Wonder Woman. Other heroines involved in this adventure included Zatanna, Supergirl, the Phantom Lady, Madame Xanadu, Power Girl, the Black Canary, Wonder Girl, Raven and Starfire.