Muffin from Bluey is generally understood to be about 4 years old as of the later seasons.

Quick Scoop: Muffin’s Age

  • In early episodes, fans place Muffin at around 3 years old , younger than Bluey and a bit younger than Bingo.
  • She has a birthday in the episode “The Quiet Game” , where viewers infer she turns 3 , based on how she behaves and how other kids’ ages line up.
  • She has another birthday in “Pass the Parcel” , and many fans conclude she turns 4 there, which is why the commonly accepted age for Muffin is now 4.

So when people online ask “how old is Muffin from Bluey?” the most common answer in current forum discussions and fan wikis is that Muffin is 4 years old in the more recent timeline of the show.

Fans still debate small continuity details, but 4 is the widely accepted “for real life” age for Muffin right now.

TL;DR: Muffin starts out around 3, but after her on-screen birthdays, she’s considered to be about 4 years old in the latest Bluey episodes.

Information gathered from public forums or data available on the internet and portrayed here.