To combat global warming Earth has been mining Haley's Comet for ice, being the only source of ice left that does not have little bugs in it and dropping it into the ocean. But when the ice runs out a summit is called to solve the crisis.
The problem is discovered to be the robots and Professor Farnsworth is to blame as all robots are based on his inefficeint design.
The plan to get rid of the robots is hilarious. Hosting a party and blowing them all to bits. With Signs : Tonight big robot part. Tomorroa big scrap metal give-away.