There have been two crossovers involving televised Doctor Who and other TV shows. The first was the 1993 Children in Need special Dimensions in Time, when the Doctor and some of his companions met the cast of EastEnders. This also served as part of the show's 30th anniversary celebrations. The second, One Born Every Minute, occurred twenty years later during the 2013 Comic Relief telethon, and combined the show with characters from BBC Drama Call the Midwife.