That sounds like a delightful countdown! Those are definitely some iconic and uplifting endings. If you're looking for more happy endings to include, here are a few suggestions that viewers often find heartwarming:

1. **The Princess Bride** - With its blend of adventure, romance, and humor, the ending is a perfect fairytale conclusion.

2. **Forrest Gump** - Forrest's journey ends on a poignant note that leaves viewers with a sense of fulfillment and hope.

3. **Toy Story 3** - The toys' final adventure wraps up the trilogy with emotional depth and a touching farewell.

4. **La La Land** - Despite its bittersweet undertones, the ending leaves a lingering sense of hope and nostalgia.

5. **The Sound of Music** - The von Trapp family's escape to freedom amidst the backdrop of the Austrian Alps is truly uplifting.

6. **E.T. the Extra-Terrestrial** - The farewell between E.T. and Elliott is both heartwarming and tear-jerking.

7. **Back to the Future** - Marty McFly's triumphant return to a changed future and a brighter present for his family is a classic feel-good moment.

8. **The Blind Side** - The true story of Michael Oher's journey to success ends on a profoundly positive and inspiring note.

These films, like the ones you mentioned, leave audiences feeling optimistic and satisfied, making them perfect additions to a list of the most positive and enjoyable endings in film history.