Rodolfo's old superhero friend, the Seventh Samurai visits, along with his very polite 10-year-old son Toshiro Watanabe, a.k.a. "Cyber-Sumo", who needs to prove himself a hero by defeating a super villain.
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The transcript for this episode can be found here.
Manny and Frida having Miracle City fun while Toshiro doesn't take it seriously.