Complex sentence: Arabel and Mortimer were puppets based on the novels by Joan Aiken which aired on CBBC in 1993-1994 it rivaled CITV's Spooks of Bottle Bay puppet show which was broadcast in the same year.
Split into simpler sentences: Arabel and Mortimer were puppets based on the novels by Joan Aiken which aired on CBBC in 1993-1994. It rivaled CITV's Spooks of Bottle Bay puppet show which was broadcast in the same year.