The Revenge of Verokron (べロクロンの復讐 Berokuron no Fukushū) is the 48th episode of Ultraman Ace.
While on patrol in the TAC Space, Seiji has a vision of Verokron returning to take revenge. When he wakes up from his nap, he finds that he has a bad cavity and goes to a dental clinic. The dentist gives him medicine and puts a capsule on his tooth, but when he leaves the building his vision starts swirling, and he hallucinates that Verokron has manifested in town.
- Ultraman Ace Volume 12 features episodes 45-48.