Nickelodeon is investing even more in the world of “Paw Patrol.” The original series as well as its spinoff, “Rubble & Crew,” have both been renewed for two new seasons at 13 episodes apiece.

DALLAS — A large balloon used by U.S. Customs and Border Protection for surveillance along the Texas border broke free and traveled about 600 miles (966 kilometers) to the north before crashing ...