When the teenagers have stopped in the park to look at a bird, the sequence of who's standing where changes each time the camera angle changes.
When the teenagers have stopped in the park to look at a bird, we see an Eastern Towhee singing. In the next shot David points at a Downy Woodpecker and comments that it's replying to him, but at that point we hear a different type of bird singing.
Around the campfire, Ellen says that her family will stay in Somers for good; but in the closed caption, that town is identified as Sumworth.
The sign at the entrance to the park misspells its name. The correct name of the park is Cockaponset State Forest.
Ben Kingsley (Konrad) mispronounces several words, including "albino" and "mallard."
When the teenagers have stopped in the park to look at a bird, Timmy instructs David to "shut up", but he motions to Peter.
Peter uses his inhaler improperly. After inhaling, he should close his mouth and hold his breath for at least ten seconds. Then after 30 seconds, he should repeat the inhalation.