E.T. the Extra-Terrestrial (1982)

Continuity mistake: When the boys are riding their bikes trying to escape with ET, all the bikes have single brake levers on the right side of their handlebars, but after Elliott shouts that they should follow him to the forest, there's a shot from the POV of one of the bike riders (we know it's not Greg or Elliott) and he has two brake levers on his handlebar.

Super Grover

E.T.: E.T. phone home.

Trivia: The little blonde girl Elliott kisses when the frogs are released is Erika Eleniak, who went on to become a Baywatch babe.

Question: When Elliott, Mike and Mike's friends are escaping from the agents on their bikes, are the actors' stunt doubles adults or teenagers? Asking because I've heard of teenagers being stunt performers in movies.