In Don't Pierce My Flesh, Bubble expresses worry over the replacement of the TV with a tub. She tells Firey Speaker Box that the way he says "budget cuts" just isn't the same as Announcer. Firey Speaker prefers to call Bubble "Metal Ball." As a reward for making it to the final five, Firey Speaker gives Bubble, Leafy, Firey, Spongy, and Flower all houses. Bubble votes for Firey Speaker's contest over Flower Speaker's contest.
In Get in the Van, Firey Speaker Box plucks Bubble from FreeSmart, telling her "you're not supposed to be here either!" Match helps her with a disguise and Firey Speaker totally buys it, apologizing and letting her pass.
In The Long-lost Yoyle City, Firey Speaker Box catches Bubble at the summit of Yoyle Mountain. Bubble tries to pretend to be a tree, but her act is unconvincing. It should be noted that in this episode, Firey Speaker addresses Bubble as "Bubble" despite the fact that she's metal. At the end of the episode, Firey Speaker flings Bubble off somewhere.