Evan's visit to his great aunt Katherine's house turns eventful when he finds a jar marked "Monster Blood". He and his new friend, Andy, decide to try it out, but are horrified to find that it is growing.
Keywords:
Goosebumps
Movie tag line: "It's a monster blood drive!"
Character: Evan
Character: Andy
Character: Aunt Katherine
Character: Sarabeth
Character: Evan's Mom
