Dragon Ball GT Season 1 Episode 50

During Goku and Pan’s continuing quest for the Dragon Balls, they stumble upon an abandoned city. They are warned away byt a couple that blames the mass exodus on an energy-absorbing slime. After resolving to stay and complete their task, they find Rage Shenron, the 5-star dragon! And they quickly realize this electric slime has a bigger and much deadlier purpose!