Who's That Knocking at My Door (1968) runs 1 h 30 min, is rated R in the US and averages 6.0 from 225 TMDB members. A Catholic New Yorker falls in love with a girl and wants to marry her, but he struggles to accept her past and what it means for their future.
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Streaming availability by JustWatch. As of 2026-11-08 it is not streaming on a subscription or free service in the US; it can be rented or bought on Amazon Video, Apple TV Store, Google Play Movies.
Who's That Knocking at My Door on TMDB · This product uses the TMDB API but is not endorsed or certified by TMDB.

Lights Down is a free tool: tell it your streaming services and how long you have, and it ranks what you can stream tonight, with a this-or-that, a roll, a bracket and a wheel. Movie data from TMDB; streaming availability by JustWatch. Page updated 2026-11-08. This product uses the TMDB API but is not endorsed or certified by TMDB. Lights Down is a Somebody Decide program. How the data works · Legal & privacy · Tonight's lists