MegaMan NT Warrior - Season 4 Episode 24 Wily Research Lab
Overview: As Gregar and Falzar appear and begin battling, Blackbeard and Yuika (who are working for Beyondard Wily) succeed in capturing Trill. Falzar falls to Gregar, and Wily uses Trill as the synchronizer to combine both beasts into one. Creating the Super Cyber Beast Grezar and using it as his vessel, Wily begins to destroy both worlds.