After seeing a monkey in a beer commercial that reminds him of his former pet monkey Marcel, Ross decides to pay a visit to his old pet at the San Diego Zoo during his business trip to California.
Efter at have set en abe i en ølreklame der minder ham om hans tidligere kæledyr abe Marcel, beslutter Ross at lave et besøg for at se sit gamle kæledyr i San Diego Zoo under hans forretningsrejse til Californien.