Mae Sex Education, gafodd ei ddangos gyntaf ar Netflix yr wythnos ddiwethaf, yn un o nifer o brosiectau a wnaethpwyd yng Nghymru yn 2018 ac sydd wedi cyrraedd y sgrîn y flwyddyn hon.
Sex Education, which premiered on Netflix last week, is one of many projects made in Wales in 2018 that has hit the screen this year.