Factual error: This happens during the scene when Harry and Lloyd offer the little boy 5 dollars to get them slushies. This movie is set in the 80's but notice the $5 he gives him. It is the newer issued $5 that came out in the 90's.

Dumb and Dumberer: When Harry Met Lloyd (2003)
Trailers
Directed by: Troy Miller
Starring: Eugene Levy, Eric Christian Olsen, Derek Richardson, Timothy Stack
Genres: Comedy
More trailers
Store Clerk: Enough! You're it! And no touch backs, no do overs, no erasies, and this whole store is home free!
Harry: Lloyd, can he do that?
Lloyd: Oh yeah Harry. He can. He did. And now...it's on like Donkey Kong. Pay the man.
Harry: Pay the man.
Trivia: In the scene where Lloyd is eating dinner with Harry and they're talking about the pie, Lloyd says "I like it alot" which is a phrase used in the first Dumb and Dumber movie.
Question: As Lloyd and Harry follow Jessica and Principal Collins with a shopping cart, what explodes at the Big A convenience store? (01:06:00)
Join the mailing list
Separate from membership, this is to get updates about mistakes in recent releases. Addresses are not passed on to any third party, and are used solely for direct communication from this site. You can unsubscribe at any time.
Check out the mistake & trivia books, on Kindle and in paperback.
Answer: Because Harry and Lloyd had poured gasoline all over the car as well as let the pump keep running when they left. So when the hot ash of the store clerk's cigarette hit the gas fumes, it caused the explosion.
Bishop73