Complex sentence: Peter pledges to continues to continue to flush all future sperm down the sink, as the camera shifts to the sewers where alligators, rats and alligator-rat hybrids with Peter's features share his laugh.
Split into simpler sentences: Peter pledges to continues to continue to flush all future sperm down the sink. The camera shifts to the sewers where sewer alligators, rats, and a sewer alligator/rat hybrid with Peter's features share his laugh.