Stupidity in movies and TV shows

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The Blacklist (2013 TV show) 3
Blithe Spirit (1945) 2
Blood Diamond (2006) 1
Bloodsport (1988) 1
Blue Beetle (2023) 1
Blue Bloods (2010 TV show) 2
Blue Streak (1999) 1
Blues Brothers 2000 (1998) 1
Body Double (1984) 1
Bones (2005 TV show) 2
The Book of Henry (2017) 3
Boon (2022) 1
Born a Champion (2021) 1
Bottom (1991 TV show) 1
Boy Meets World (1993 TV show) 3
The Boy Next Door (2015) 3
Boyhood (2014) 1
The Boys (2019 TV show) 2
The Brady Bunch (1969 TV show) 1
Breakdown (1997) 1