Alphablock I is having a dance party - by herself! Can her friends help her see the light on disco night? 

This episode introduces the long I sound, the trigraph '-igh-', the digraphs '-ie-' and '-i-e-' and the words bright, light, night, pie, tie, like, shine and fine.

U is upside-down, next to an upside-down tree, and the whole of Alphaland is blue. How did that happen?

This episode introduces the long U sounds, the digraphs '-ew-', '-ue-' and '-u-e-' and the words new, grew, blew, flew, true, blue, glue, rescue, tune, lute, flute, prune and mule.