Revealing mistake: You can see the wires on the handgun pointed at the two extraterrestrial children when the bad guys are staring in shock at the "floating gun."
Escape to Witch Mountain (1975)
Ending / spoiler
Directed by: John Hough
Starring: Donald Pleasence, Eddie Albert, Ray Milland, Kim Richards
The kids are aliens from another world. They find the others who turn Bolt's helicopter upside down and he and Deranian give up on catching the kids. Tia and Tony give Winky the cat to Jason who says he wants to remember them as the kids he never had.
MissNiece
More mistakes in Escape to Witch Mountain
Store Clerk: Well, sir, a covered wagon pulling outta St. Joe didn't take near as much supplies as you got yourself here, Mr. O'Day.
Jason O'Day: You're sure one well-informed man, aren't ya? Now, did you think you can hand me that carton without straining yourself, or are you just tuckered out from sticking your nose in my affairs?