William Daniels and Maitland Ward William Daniels and Maitland Ward

Start practicing your Feeny call because William Daniels will reprise his role as the beloved teacher in Girl Meets World.

The actor was first spotted on set in an Instagram photo posted by Maitland Ward, who played Rachel on Boy Meets World. But according to TVLine, Daniels wasn't just visiting the set with his old co-stars Rider Strong and Will Friedle — he was filming the pilot!

Topanga grows up — and strips down!