Before the Fusion

is the animated crossover special. It acts as a prequel to the first Lorcan Darcy's Adventures movie, The Medieval Journey. It's the only series that neither the Darcy Triplets has appeared, only the friends and allies of their.

It's the crossover special of Pokémon, Ed Edd n Eddy, DC Superhero Girls, My Little Pony: Friendship is Magic, Monster High and Ever After High. Part 5 marks the epilouge of Cillian Darcy.

This special and Goodbye Lorcan Darcy episode of Lorcan Darcy's Adventures take place simultaneously.

Act I
Following of Goodbye Lorcan Darcy, all the dimensions has begin to fuse together and Everyone are worried about the third dimension. In the different universe, Professor Oak discovers the different locations in different dimensions and universes. He walked to Lorcan's grave, following of his death of heroic sacrifice.