When the lens is 10 feet away from A-Gump, the feather can be seen on A-Gump's feet and in the sky at the same time.
Jenny died in March 1982, but Forrest Gump appeared in a newspaper clipping of "USA Today" on September 15, 1982. According to the date on the tombstone, Jenny died on Monday, not Saturday as Forrest said.
During the conversation between Forrest Gump and the female driver when he was on the school bus for the first time, the position of the female driver's hands when facing the camera and facing away from the camera was different.
The girl standing behind A-Gump and Jenny on the school bus disappeared from the camera and reappeared. The speed of the school bus also changes according to different shots.
When A-Gump was bullied by a bad boy, he was hit by a stone under his eye, and then his forehead began to bleed. When Forrest Gump was being chased by a bad boy on his bike, he saw a leading baseball bounce around a corner. It only appeared for two seconds and disappeared instantly.
When Jenny sang Blowing in the Wind (Blowing in the Wind) on stage, his right hand and left fingering were wrong. There is also a close-up shot of her index finger and ring finger almost pressed on the capo of the guitar.
In Savannah, the woman who gave Forrest Gump pointed in the opposite direction. When Forrest Gump sat in front of the bench in the square, the bus drove clockwise across the square, which was the opposite of the real situation on the ground.
When Lieutenant Dan fell from the wheelchair, he used the leg that was processed by digital technology to help him stand up.
When A-Gump finished his speech by the reflection pool and walked towards Jenny, he passed by the same person twice.
On the National Day of the United States in 1978, fireworks on TV showed that the Statue of Liberty had been restored, but in fact it was restored in 1986.