1972-1985
SBP was formed in 1972 as PBS's sister channel.
1985-1998
In 1998, PBS decided to sell SBP to RKO Holdings and on December 31, 1998, RKO Holdings closed SBP.
SBP was formed in 1972 as PBS's sister channel.
In 1998, PBS decided to sell SBP to RKO Holdings and on December 31, 1998, RKO Holdings closed SBP.