In the 1974 scene a teenage Bobby Morrow reveals that mum Isabel had died the year before, and yet later in the film her tombstone shows she lived from 1927 to 1969.
When Jonathan's mom catches Bobby and her son smoking pot in the bedroom, the two teenagers are listening to Laura Nyro's "Desiree" on a vinyl player. As soon as the song ends, "It's Gonna Take a Miracle" starts playing, without any tracks being skipped. But on Nyro's "Gonna Take a Miracle" album (which features both songs), "Desiree" is on side A while "It's Gonna Take a Miracle" is on side B (it's the last song on the album).
When Claire is running away from her friends into the desert, the bushes wiggle twice as the cameraman passes by.
At the end of the movie when Jonathan walks in the house, and Bobby is still standing outside. The light turns on in the upstairs window at the same time Jonathan is seen walking inside the first floor window. Yet they are supposed to be alone at the house.
In the scene where Alice is showing Bobby Morrow 1974 how to make a pie, she calls him Billy.