Complex sentence: Manny, Sid, Diego, and Granny return home only to find the land bridge destroyed in the earthquakes and that Gutt and his crew made it there first and capture Ellie and Peaches forcing Manny to face Gutt.
Split into simpler sentences: Manny, Sid, Diego, and Granny return home only to find the land bridge destroyed in the earthquakes and that Gutt and his crew made it there first. The pirates capture Ellie and Peaches forcing Manny to face Gutt.