The season 2 opener finds two chimps being sedated for their move out of quarantine, but one of the chimps is having a bad reaction to the medication used.
A 13 year old aggressive chimp is hindering her integration into the adult area, and a sudden tragedy is felt all over the camp.
Despite the confusion over the death of Apu, the alpha male and the ascension of Amadeus as the new alpha male, Josephine's integration in the group continues.
The addition of two baby chimps into the infant enclosure raises concerns.
A pair of young female chimps in Angola are rescued, where one was found locked in a cage at a beach resort exposed to disease from the tourists.
The chimps transfer is impeded by a series of events while moving from Angola to the sanctuary in South Africa.
Josephine makes a break from the adult closure, and takes refuge inside the volunteers break room.
Zac, the number 2 male, challenges Jao for the leadership in the family. This showdown was bound to happen someday.
Eugene heads back to the Sudan for his biggest rescue yet. This time he has seven young chimps awaiting a rescue.
Last year Eugene was forced to leave two of the babies behind in the Sudan. This time he is determined to save them all.
The alpha female, Martha, of the group is responsible for the success of a new family group at Chimp Eden. Hopefully she will accept Eugene as one of the family so that he can join the other chimps in the outdoor enclosure.
Nicky and Claudette are reunited.
Tony needs a cataract operation and if all does not go well, Tony may not live a normal life again.
Gida has struggled for her place hierarchy since Abu died, and that two females have been introduced to the group.
Joa's family is transferred to the old adult enclosure, where there is more room and more chances to make trouble. But what will their reaction be to the new surroundings? Will Cozi feel unsettled and start to regress? How will this affect the group dynamics? Will Zac take the chance at unseating Jao, once and for all?
The new family is released into the empty infant enclosure after leaving quarantine. It is the day in which Eugene has been looking forward to since Jao rejected him several months earlier. But his excitement is tempered with worry with the chance of working "hands on" again. Once the new group has experienced the freedom of the enclosure, they may reject him as well.
Eugene takes the role of the Alpha male and helps the chimps became acclimated to their new lives in captivity.
Eugene heads to the Lekedi Reserve in Gabon where for the first time will meet the chimps in their natural surroundings.