Hercules

Hercules and the Griffin (1x35)

Air date: Nov 20, 1998

The gang visits an old age home, where they're each assigned a senior citizen to befriend. In an effort to connect with his oldster, a malevolent old Griffin, Hercules accidentally reveals the treasured Diamond that the Griffin had been guarding for decades - and the King of the thieving mountain gnomes, steals it.