data = bears_christmas
.map(extract("Bear's Christmas"))
.concat(dominant_colors.map(extract("Teach Me to Dance")))
.concat(christmas_cracker.map(extract("Christmas Cracker")))
.concat(great_toy_robbery.map(extract("The Great Toy Robbery")))
.concat(
hoodoo_mcfiggins_christmas.map(extract("Hoodoo McFiggin's Christmas"))
)
.concat(christmas_at_moose_factory.map(extract("Christmas at Moose Factory")))
.concat(lucretia.map(extract("Lucretia")))
.concat(nativity_cycle.map(extract("The Nativity Cycle")))
.concat(energy_carol.map(extract("The Energy Carol")))
.concat(ludovic_the_snow_gift.map(extract("Ludovic: The Snow Gift")))
.concat(citizen_z.map(extract("Citizen Z")))
.concat(lights_for_gita.map(extract("Lights for Gita")))