Movies like This Boy Caught a Merman
Same DNA — director, keywords, mood, era. Ranked by closeness, with a decade spread.
⭐ Pick one — directed bridges
One curated follow-up rather than scrolling a grid:
Fate/Prototype
2011 · ★ 5.8
genres · decade · country · score 
Those Science Freaks
2013 · ★ 5.7
genres · decade · country · score 
The Relative Worlds
2019 · ★ 5.8
genres · decade · country · score 
Broken Blade: The Time of Awakening
2010 · ★ 5.8
genres · decade · country · score 
Pretty Cure All Stars DX2: The Light of Hope - Protect the Rainbow Jewel!
2010 · ★ 5.7
genres · decade · country · score 
Broken Blade: Scars from an Assassin's Blade
2010 · ★ 5.3
genres · decade · country · score 
Broken Blade: The Path of Separation
2010 · ★ 5.6
genres · decade · country · score 
Possessions
2014 · ★ 5.9
genres · decade · country · score