Goofs

When Judson returns to the Baterman's to Speak with Timmy after being at the hospital with Norma(and shortly after hitting something with his windshield) you can clearly see as he pulls up to the residence the windshield with no damage.

Interior view of Manny's VW Beetle, there is dashboard cover with a lifted rectangular speedo visor. This is a trim accessory available from 1973 onward, while the movie is set in 1969.

When Donna is being chased a van is parked near Manny's car, a 1974 Volkswagen Campmobile, 5 years before the van should be made.

A car parked on the street when Jud meats Mr. Baterman & Jud's car is from a company called Beaumont a brand sold exclusively in Canada where the movie was filmed.

When Timmy and Hendrix are brought back from the dead, this is clearly the first time Jud has experienced something like this. But in the first movie, it's established that Jud knew about the burial ground as a young boy, because he buried his dog there.