My previous ideas were all over complicated so my final series of ideas I need to keep them fairly simple for this last stretch:
The episode starts like the original but this time we see Bubble and Squeak are sitting in their tank together talking when Squeaks stomach grumbles, disrupting their conversation and leads to the two characters looking for food in their bowl. When they don’t find any food, Squeaks smells some hidden on the top shelf above their tank. So the two escape their tank by using Bubbles ability to climb an surface to reach the shelf. When the two reach the food they push it over using both Squeaks arms and Bubble’s eyes to push over the bag before climbing over and eating the food from the bag.