This is one of the only episodes that shows Arthur barbecuing. In all the other episodes Arthur isn't even shown cooking. This isn't surprising, since throughout the show it's revealed he has a propensity to start fires.
In Season 1, Episode 4, Spence is sitting in Doug's garage and eats a peanut M&M. However, in this episode, it is revealed that Spence is highly allergic to peanuts.