(Closed)** Baker's Dozen: Movies that spoil other movies

1) Zodiac (2007) - Dirty Harry (1971)
2) When Harry Met Sally (1989) - Casablanca (1942)
3) Ocean's Twelve (2004) - Sixth Sense (1999)
4) The Player (1992) - The Graduate (1967)
5. Deadpool (2016) - (127 Hours) (2010)
6) Trainwreck (2015) - The Usual Suspects (1995)
7) This is the end (2013). - Rosemary's Baby (1965)
8~ Pitch Perfect (2012)- Star Wars: Episode V, The Empire Strikes Back (1980)
9) Scary Movie (2000) - Scream (1996)
10) Sleepless in Seattle (1993) - An Affair to Remember (1957)

1) Zodiac (2007) - Dirty Harry (1971)
2) When Harry Met Sally (1989) - Casablanca (1942)
3) Ocean's Twelve (2004) - Sixth Sense (1999)
4) The Player (1992) - The Graduate (1967)
5. Deadpool (2016) - (127 Hours) (2010)
6) Trainwreck (2015) - The Usual Suspects (1995)
7) This is the End (2013) - Rosemary's Baby (1965)
8~ Pitch Perfect (2012) - Star Wars: Episode V, The Empire Strikes Back (1980)
9) Scary Movie (2000) - Scream (1996)
10) Sleepless in Seattle (1993) - An Affair to Remember (1957)
11) Mister America (2019) - The Shaggy D.A. (1976)
12~ 50 First Dates (2004) - The Sixth Sense (1999)

One more to Baker's Dozen (13).

You Got Mail (1998) - The Godfather (1972) would this work? I know YGM explains a scene in TG, but not sure if this counts.

1) Zodiac (2007) - Dirty Harry (1971)
2) When Harry Met Sally (1989) - Casablanca (1942)
3) Ocean's Twelve (2004) - Sixth Sense (1999)
4) The Player (1992) - The Graduate (1967)
5. Deadpool (2016) - (127 Hours) (2010)
6) Trainwreck (2015) - The Usual Suspects (1995)
7) This is the End (2013) - Rosemary's Baby (1965)
8~ Pitch Perfect (2012) - Star Wars: Episode V, The Empire Strikes Back (1980)
9) Scary Movie (2000) - Scream (1996)
10) Sleepless in Seattle (1993) - An Affair to Remember (1957)
11) Mister America (2019) - The Shaggy D.A. (1976)
12~ 50 First Dates (2004) - The Sixth Sense (1999)
13) You Got Mail (1998) - The Godfather (1972)