I am the Hot Buns Master!
When a robot got bit by a zombie, he turns into a zombie-robot, also known as The Hot Buns Master. The three kids and a Ghost Man try to take down the the Hot Buns Master. He kills all four multiple times but they are repeatedly brought back to life. The Hot Buns Master chases all the kids around the house and fights them to kill them all off one by one. The Ghost Man sheds his disguise and throws an explosive pillow at the Hot Buns Master to defeat him, but also causing a massive nuclear fallout in the process. The kids survive, but the Hot Buns Master isn't so lucky...