Tap-dancing elephants and snakes, bell-ringing pelicans, tightrope-walking penguins, cheerleading leopards and a bush baby with stage fright are among the characters lining up each week to try and impress the panel of judges headed by Clive, a vain, lazy lion, who quite literally eats acts for breakfast! So don't be a mango, watch the Zoo Factor!

Everyone starts scratching as a bunch of performing fleas escape from one of the acts. Will they wreck Hilly's birthday? Show less