Phineas and Ferb are making a mischievous return, targeting multiple generations of fans

It’s summer again. 

A decade may have passed in real time since stepbrothers Phineas Flynn and Ferb Fletcher had their last summertime adventure on TV, but it’s just one unremarkable school year later for the characters in the beloved animated TV series Phineas and Ferb. 

The longest-running show in Disney Channel history, Phineas and Ferb aired from February 2008 to June 2015, winning five Emmys and becoming the most successful animated series for kids (ages 6 to 11) and tweens...