EntityQ1535979· pop 19· linked from 124 articlesSonic UndergroundSign in to saveanimated television seriesConnectionsSyfyEntityDr. EggmanEntityAdventures of Sonic the HedgehogEntitylist of Sonic the Hedgehog charactersEntityThe Super Mario Bros. Super Show!EntityUnited KingdomCountryFrenchEntityYouTubeConceptX (social network)ConceptInternational Standard Book NumberEntitymusical instrumentEntitySean ConneryPersonanimationEntityfree willEntitykarateEntityCrocodileEntityIMDbEntitylaserEntitygymnasticsEntityrock and rollEntityCategories1990s American animated comedy television series1990s American children's comedy television series1990s American musical comedy television series1990s American science fiction comedy television series1990s French animated television series1999 American animated television series debuts1999 American television series endings1999 French television series debuts1999 French television series endingsAmerican children's animated action television series