Marmoset Ruby gives birth and it’s a bit of a shock for the care team as it’s quads! The park doesn’t allow the marmosets to breed normally so Ruby giving birth to four babies is a real surprise. Young orang-utan Hujan braves the big enclosure in the presence of adult male, Tuan but with a little help from RoRo soon gets over his nerves. While it’s all change for the residents of the squirrel monkey house and chimp Toprish finally meets alpha male Bart face to face.