When the dogs go into the hot spring on one episode, one of the dogs shouts, "Hey, who the hell farted??!" off-screen. Another dog says in return "My nose is bending!" Followed by laughter.
The cartoon "bonk!" sound that occurs when GB butts heads with one of Hougen's dogs.
Ben mistaking Kagetora for one of his sons.
Hiro got a funny moment with Kagetora and Ken:
Hiro: I could've been the bodyguard.
Kagetora: If you can run fast.
Hiro: That's true. Maybe I should go on a diet...
Ken: Impossible! (complete with a DING!)
Kamakiri telling Hougen "Don't breed" in one episode.