This is my favorite kind of Jouto episode - the kind that makes up for its lack of a decent plot with a lot of funny Rocket-dan stuff. It's got a lot in common with the Kereihana episode in that regard. Right from the beginning, Musashi-tachi steal the show with Nyasu's crude kindergarten drawing-style fantasy of what'll happen to Satoshi-tachi when they cross the bridge (which had me giggling like a fool, I'll admit it). And then they get all the really great scenes throughout the rest of the episode, too. This episode's prerequisite "laugh out loud" moment belonged to them, when the entire swarm of Ledyba buzzes so hard that they spray all their collected pollen onto them, then flies too low through the forest and drags them along the ground.
It's a perfect example of what Musashi, Kojirou, and Nyasu can do to rescue an episode from mediocrity. And this episode was dangerously close to swimming in it, as Mokoto is a rather unengaging character. Though I will give her this, she's got more depth than her Ledyba. Seriously, the six of them act as a single unit throughout the entire episode, and never come close to exhibiting anything resembling a personality. If the aim of each Jouto episode is to take one Generation II Pokémon, show it to the audience, and say "Look how cool this thing is" for 24 minutes, then this episode didn't even come close to pulling it off. Maybe they figured since Ledyba had already been shown off in the Pikachu short from the second movie earlier in the year, they could get away with dumping it in a boring story like this 'cause everyone had already seen it. (That'd certainly help to explain why the Donfan, Kereihana, and Hoho episodes were so dull; I guess the Bull episode was a fluke.)
Still, there was one moment from the Satoshi-tachi stuff that made me laugh. When Takeshi sends out his Zubat to look for the Ledyba, Satoshi says "Zubat?" like he forgot that Takeshi even had one. Again, it's like the show is slyly commenting on itself.