Kamen Rider Build, Episode 41: "The Truth Behind Best Matches"

[Toku Prime]

"Hey Ryuga!"
"Yeah Kazumin?"
"Where did Sento get this footage from?"
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This week: The big bad starts losing battles already even though there's like eight more episodes to go, a few minutes of clip-show footage to pad things out, oh hey we were laying these plot seeds all along, here's your handwave for why the bottle combinations are such random things, and the guy who was NEVER coldly logical somehow hasn't had emotions until now?