Complex sentence: Like its predecessor, it was swiftly killed off, at least on the daytime series; however, it is believed this game lasted slightly longer on the Dennis James syndicated version, but was still gone well before the end of the 1972-1973 season.
Split into simpler sentences: Like its predecessor, it was swiftly killed off, at least on the daytime series. However, it is believed this game lasted "slightly" longer on the Dennis James syndicated version, but was still gone well before the end of the 1972-1973 season.