list all episodes of the first season of the ctv television network television series degrassi: the next generation !
select distinct var_uri where brack_open var_uri dbo_series dbr_Degrassi:_The_Next_Generation sep_dot var_uri dbo_seasonNumber 1 sep_dot dbr_Degrassi:_The_Next_Generation dbo_network dbr_CTV_Television_Network brack_close