"Once Upon A Time" season 4, episode 6 spoilers reveal that the loveable Oaken of the Wandering Oaken's Trading Post and Sauna will appear in the "Family Business" episode. Meanwhile, Belle will travel to Arendelle to seek help from Grand Pabbie.

The show will shift to Arendelle as Belle will try to recover her lost memory, hopefully with the help of Grand Pabbie. Anna will accompany Belle back to her hometown in her quest to regain her identity, according to the "Once Upon A Time" season 4, episode 6 spoilers from Hypable.

Fans of "Frozen" will remember Grand Pabbie as the old troll whose magic managed to rescue Anna from death when he was struck with a wayward ice on the head by Queen Elsa while they were playing.

"Belle hopes to discover answers about her mother from the wise rock troll. Earlier this year it was announced that Belle's mother will be played by Frances O' Connor," Hypable said.

Meanwhile, Cartermatt said that in the next episode, fans can expect some drama between

"Emilie de Ravin's character and Rumpelstiltskin (Robert Carlyle), as they have to figure out whether or not to trust each other."

The synopsis from ABC offers "Once Upon A Time" season 4, episode 6 spoilers which reads:

"The race is on to track down the elusive Snow Queen, who was once a foster mother to a young Emma - whose memories of this event have been erased - in order to discover what her ultimate end game is for Elsa and the residents of Storybrooke, and 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. Meanwhile, back in the past, Belle travels to Arendelle and, with Anna's help, seeks out Grand Pabbie to help her regain her lost memories in order to discover the fate of her mother."