The 1971 Gene Wider version, which is the one Adam would have seen as a kid, does have a couple of genuinely terrifying scenes. The boat ride through the tunnel comes to mind (the relevant part ends at 2:15):
https://www.youtube.com/watch?v=XB401RfGMlM
(The 2005 Johnny Depp version was called Charlie and the Chocolate Factory, not Willy Wonka (…) anyway).
The 1971 Gene Wider version, which is the one Adam would have seen as a kid, does have a couple of genuinely terrifying scenes. The boat ride through the tunnel comes to mind (the relevant part ends at 2:15):
https://www.youtube.com/watch?v=XB401RfGMlM
(The 2005 Johnny Depp version was called Charlie and the Chocolate Factory, not Willy Wonka (…) anyway).