Currently available on 5 streaming services.

Streaming, rent, or buy The Secret Life of 4, 5 and 6 Year Olds – Season 1:

Currently you are able to watch "The Secret Life of 4, 5 and 6 Year Olds - Season 1" streaming on Curiosity Stream, CuriosityStream Amazon Channel, CuriosityStream Apple TV Channel, Sky Go or for free with ads on UKTV Play.