We don't have a biography for Principal Hader yet. Hang in there, or go ahead and contribute one.
Appearances
100 Things to Do Before High School
Guest cast, played by Lisa Arch
- Episode S01 Special: Pilot (Nov 11, 2014)
- Episode 1x05: Stay Up All Night Thing! (Jun 27, 2015)
- Episode 1x07: Change Your Look and See What Happens Thing! (Jul 18, 2015)
- Episode 1x08: Find Your Super Power Thing! (Jul 25, 2015)
- Episode 1x13: Have the Best Halloween School Day Ever Thing! (Oct 24, 2015)
- Episode 1x15: Sit at a Different Lunch Table Thing! (Nov 14, 2015)