![](https://thumbnails.cbsig.net/_x/w400/CBS_Production_Entertainment_VMS/2019/11/08/1638728771633/sonic_underground_025_16x9_139104_1920x1080.jpg)
Flying Fortress
21M SEP 09, 1999 TV-Y7
S1 E15: Sonia is invited to a debutante ball, but before she can be officially announced to society, she and her brothers, Manic and Sonic have an important mission.