Once Upon a Time - Season 4 Episode 6 -

The race is on to track down the elusive Snow Queen in order to discover her ultimate end-game. Unaware that she does not possess the real blade that controls The Dark One, Belle attempts to use it to get her reluctant husband to show her where the Snow Queen is hiding. Belle travels to Arendelle and seeks out Grand Pabbie to help her regain her lost memories.