Lee’s Summit, Mo. ? A Boston terrier named Mickey who disappeared four years ago from his suburban Kansas City backyard was reunited with his owners this week thanks to a microchip and an animal shelter 1,100 miles away in Montana.

Cher Jarosz and her daughter Kari Mitchell thought they’d lost Mickey forever, until they received a call from Billings, Mont., last week.

Mitchell called her mom with amazing news last week. “You’re never going to believe this,” Mitchell said.

Mickey was found roaming aimlessly several states away, and Tuesday he caught a flight home to Kansas City.

Only Mickey knows how he wound up in Montana and that’s fine by Mitchell.

“We’re happy to have him home,” she told KSHB-TV. “I just hope whoever was taking care of him, I hope they were just glad he’s home.”

The family said he looks different. He doesn’t remember his name and his teeth show signs of wear and tear.

Mitchell says a microchip on Mickey helped the Billings Animal Shelter reunite the two.

“Some lady from the public walked in the back door,” said Kristal Ward, office manager at the shelter. “She found the dog running up the street. She tossed him to me, and that’s how it started.”

Ward said she called Avid, a company that makes microchip identification systems, and was given the name of a veterinarian clinic in Lee’s Summit, Mo. She said the dog’s owner had not registered the chip.

“I called that vet clinic because they were the one that should have a record of that chip,” Ward said. “I gave them the chip number, and the woman kind of started screaming.

“She goes, ‘Oh my God, is that a Boston terrier? Oh my God, it belongs to Kari Mitchell. She used to work here.”‘

Ward said she called Mitchell and confirmed that the dog was Mickey.

Ward said that after she talked to Mitchell, “Her mother called and they were just beside themselves.”