Hydro Hog's Last Day

Hydro Hog's Last Day is the 2-part season finale of The Hybrid Girls. This features the final appearance of Hydro Hog and the first appearance of Lord Hydron.

Synopsis
Part 1

Heather and Hayley plan to celebrate their one-year anniversary of becoming the Hybrid Warriors at the command center. Meanwhile, as Hydro Hog plans his next scheme on taking on the Hybrid Girls, they meet a vicious water monster known as Lord Hydron. He immediately takes charge of a full-blown attack which involves bringing back all the previously-destroyed monsters all over Riverside.

Part 2

After the sisters defeat the water monster, Hydro Hog grows giant-size in vengeance, forcing the girls into battle, despite their father's objections. Hydro Hog's power was so intense he overwhelmed the Battle Borg and destroys it, nearly killing Heather and Hayley. Lord Hydron sends a fleeing Madison Kent to tell the Hybrid Warriors how to destroy Hydro Hog. It was a success and Hydro Hog is defeated. However, Hydron becomes the Hybrid Girls' newest threat.