In the episode "Green Nightmare", Matt Trakker befriends Morago, a native whose life was saved by his father Andrew years ago. Morago is very happy to see Matt and tells him that his father was a good man.
The mother orangutan reuniting with her baby at the end of "Dragonfire".
Ali Bombay receiving a warm welcome when he visits his native India in "Homeward Bound".
Gloria and Buddy Hawkes' brief moment together at Boulder Hill in "Demolition Duel to the Death"
Brad Turner opening the door to Manta for Vanessa, and she responds with a loving smile, in "Cliffhanger" (these are also the final moments of the entire series)