In New York, Dr. Brandon Jones, Rick's uncle, has successfully developed the Time Project, a time machine. Rick tells Bruce, who hopes to use the machine to travel through time and prevent himself from ever becoming the Hulk by stopping Rick from entering the Gamma Bomb test site. Meanwhile, Rita is bitten by a poisonous lizard while making a student film in the desert. Only Banner's computer can analyse her blood for a cure to be found, but Banner is in New York and becomes the Hulk after a power failure in the lab. The Hulk accidentally activates the Time Projector, transporting him, Rick, Betty Major Talbot, General Ross and the main lab itself to 1,000,000 B.C. Back in the future, Rita's condition is deteriorating without Banner's activation code for his computer. In the past, the Hulk comes to the rescue of a cavewoman named Umela, and they become attracted to each other. Umela's former boyfriend, Nagira quickly appears and challenges the Hulk, but is outmatched by the green golia