Complex sentence: All these efforts shorten their journey from 75 years to 23 years, however one final effort (involving time travel) brings them home after 7 years as shown in the series finale, "".
Split into simpler sentences: All these efforts shorten their journey from 75 years to 23 years. However, one final effort (involving time travel) brings them home after 7 years as shown in the series finale, "".