Heidi has been adapted into multiple films, most notably the 1937 version starring Shirley Temple.
↗ Read on WikipediaMentioned once in Daphne Returns.
Daphne Returns
Season 8 · Episode 19 · S08E19
“I'm so sorry. It was a movie too?”
From the same episode and category.
“Along the lines of a "Hardy Boys" or a "Nancy Drew"...”
“Along the lines of a "Hardy Boys" or a "Nancy Drew"...”
“It was called "The Crane Boys Mysteries." We were two plucky lads who used their keen psychological insights to solve…”
“the only clue was a dented Ballantine can.”