Muy currada la comparación de fotogramas. Toda la secuencia del inicio de 'En busca del arca perdida' es antológica. Aquí tenéis cientos de referencias (solo en texto):

http://www.snpp.com/guides/movie_refs.html

Mirando ahí aparece:

[1F22] Bart of Darkness
+ Apocalypse Now (Heart of Darkness)"
- episode title/Bart going a bit crazy
[The movie is based on Joseph Conrad's book, which I
suppose is the likelier reference --aag]
+ Animal House {se}
- man singing "Sunshine on my shoulder" and getting
punched (by John Belushi)
Witness
- the barn raising, complete with Amish guy
+ Busby Berkeley movies {mk}
- musical number in pool (with kaleidoscopic effects)
+ Planet of the Apes
- Itchy & Scratchy cartoon title
Blue Sky {rl}
- nude people swimming being watched from a helicopter
+ Luis Bunuel's Un Chien Andalou (1928) {sh}
- man drags objects on his leg, similar camera angle
+ Hitchcock's Rear Window
- much of murder plot
- Jimmy Stewart appears
- music similar to Hermann's score for the film {ne}