Exclusive Series Finale Sneak Peek: Good Luck Charlie Goes Out on a [Sniff!] Musical Note

I hope you don’t mind… I hope you don’t mind… but the air’s about to get dusty in the Duncan house.

Disney Channel’s Good Luck Charlie ends its four-season, 100-episode run this Sunday at 8/7c with an hour-long send-off, and TVLine has an exclusive look at …READ MORE & WATCH VIDEO