 Several of Donna 's pivotal episodes were selected as recommended viewing by critics . " Myself , Coming Back " , the series ten episode in which she goes on a road @-@ trip and discovers the existence of her niece , Mia , was named a televisual highlight by the Daily Mirror , Birmingham Post , and Liverpool Daily Echo , with the latter publication deeming it " refreshingly different " following the " doom and gloom " of preceding episodes . Many regional newspapers named " Promises " , in which she decides to adopt Mia , a " pick of the day " , and Sarah Morgan of the Daily Record cited Jacobs ' appearance as Donna in the premiere episode of Casualty 's twenty @-@ fifth series as a positive example of the BBC " pull [ ing ] out all the stops to make sure the first edition in this latest run is something of a cracker . " 
