Seeing improvement
The single storyline definitely helped. Random bomb gag was hilarious and well-placed; use it sparingly and it will always be funny. The "me first" argument was also entertaining. There could have a litle more of Fazz looking for Fizz, and the end of the game was a bit anti-climatic, but you ended it well with the TV bit and it was decently executed overall.
Technical criticism: the first few seconds were too small, and too close to the bottom of the screen. The action should be happening closer to the center. Voice acting still needs work, but part of that is practice, and expensive equipment is another part.
Still missing: background scenery, or even just a horizon line (remember - use layers); some color would be nice; and you might want to look around the Audio Portal for some fitting background music. (And aside from that giggle you used, you're doing great with the sound effects.).
It looks the next episode could be interesting. Remember what we've told you - learn from it. We're here to help you. In the meantime, this episode gets 3/5 and 5 starts from me. Keep working on it!