Complex sentence: The success of the greeting card line led to a Saturday morning television series, which aired on CBS for 13 episodes in the 1984-1985 season it was cancelled in 1985 due to poor ratings, with reruns from January until June 1986.
Split into simpler sentences: The success of the greeting card line led to a Saturday morning television series, which aired on CBS for 13 episodes in the 1984-1985 season. It was cancelled in 1985 due to poor ratings, with reruns showing from January until June 1986.