I especially turn to these when I've had a shit week or am sick and need curl-up-on-the sofa time.

The Sound of Music

The Princess Bride

Cinderella (the 1965 Rodgers & Hammerstein made-for-TV version)

The Little Mermaid

Finding Nemo

Up!

The Goonies

The Wizard of Oz

National Treasure

GalaxyQuest

Monsters Inc.

The Last Starfighter