Captain Planet and the Planeteers - Season 3 - Eps 12: If It's Doomsday, This Must Be Belfast
To prove to Duke Nukem that the human race will self-destruct; Verminous Skumm steals and plants nuclear devices in war-torn areas across the globe. He then plays a little war gaming and gives triggers to the warring factions in those areas. With a potential Armageddon on their hands the Planeteers race to make the opposing sides in each location see peace before they act on war.
About Captain Planet and the Planeteers

Title: Captain Planet and the Planeteers
First Air Date: 1990-09-15
Last Air Date: 1996-05-11
Status: Ended
Rating: 6.763/10 (from 217 votes)
Language: EN
Seasons: 7
Total Episodes: 113
Network: TBS Syndication
Genres: Animation, Action & Adventure, Sci-Fi & Fantasy, Kids
Production Companies: Turner Program Services, DiC Entertainment, Hanna-Barbera Productions, TBS Productions
Synopsis
Eco-villains beware: Captain Planet is here to save the day! With the guidance of Gaia, five Planeteers - representing Earth, Fire, Water, Wind and Heart - come together to defend our planet from environmental destruction. With their powers combined, the team becomes the solution to pollution!
Cast

Joey Dedio
Wheeler (voice)

LeVar Burton
Kwame (voice)

Kath Soucie
Linka (voice)

Scott Menville
Ma-Ti (voice)

Janice Kawaye
Gi (voice)

David Coburn
Captain Planet (voice)