S4C
Mari, Hari a'r Byd Tanddwr
– 10:05
← Back to TV guide
S4C ·
Mari, Hari a'r Byd Tanddwr
Sign in to favourite this programme– 07:05 UK time
Heddiw, mae dau archwiliwr tanddwr yn ymuno â nhw wrth iddyn nhw gyfarch eu ffrind sleimllyd ag araf, Myfi'r falwen fôr! Learn about Mari and Hari's friend, Myfi the sea snail!
Upcoming showings
Other scheduled episodes, repeats and reruns across all channels. All times are UK time.