No longer Gotham's "...Most Exciting-est Couple Ever," Harley and Ivy decide to shake things up at Metropolis' event of the year.

While Ivy's first day of work brings an unwelcome surprise, Harley juggles babysitting, landing a club membership, and her new friendship with Lena.

Despite closing the door on her academic trauma, Ivy's past still haunts her. Clayface confronts the Daily Planet's top brass after a bad review.

Brainiac has one last task to finish before he can be promoted within the Coluian government -- but unforeseen variables change his life forever.

Old wounds and fears bubble to the surface when Harley and Ivy are invited to a meet and greet for their condo building.

After Lena divulges Brainiac's plans to the Daily Planet, Harley, Clayface, Bane and Frank try to take him down with an original musical.

The team gains a surprising new addition in the wake of a devastating loss. Meanwhile, as Ivy and Harley set out to bring the murderer to justice, Bane must protect Goldie and the other school kids from citywide destruction.

With tensions between them at an all-time high, Harley heads to Bensonhurst for a family emergency, while Ivy vows to take down Lena once and for all.

As Harley and Ivy attempt to save Metropolis from complete destruction, Bruce, the Joker and Lois form an unexpected alliance.

Harley, Ivy and Sharon team up with Brainiac to save the universe from Lex and Lena's total domination.