Commenting on the question, one user said: "It’s a long dog. They’re hidden in nearly every episode, so yes, it’s an Easter egg." Another user added: "There’s a tennis ball in each ep, too.

Have you ever spotted a Long Dog in Bluey? Take a look at these picture from Bluey and see if you can find it hiding in the background.

Despite 154 Bluey episodes having already been released, some viewers are only just spotting the hidden 'Easter egg' which appears in the background of some scenes.

Bluey fans are in for a treat, as it turns out that every single episode of the hit children's TV show features a sneaky cameo from a character dubbed 'Long Dog'.

Many fans want to know what the dog breeds for every Bluey character are. The popular Australian children’s show features a family of anthropomorphic dogs, all of one particular breed.