Below is a complete Sonic Underground episode list that spans the show's entire TV run. Photos from the individual Sonic Underground episodes are listed along with the Sonic Underground episode names when available, as are the dates of the original airing of the episode. Sonic Underground episodes from every season can be seen below, along with fun facts about who directed the episodes, the stars of the and sometimes even information like shooting locations and original air dates. This poll contains items like “Wedding Bell Blues” and “Sonic Tonic.” Are you remembering a funny scene but can't think of the name that the Sonic Underground episode is from? Scroll below and you'll find what you're looking for.