The BBC was not alone in this practice – the commercial companies that formed its main rival ITV also wiped videotapes and destroyed telerecordings, leaving gaps in their archive holdings. The state of the archives varies greatly between the different companies; Granada Television holds a large number of its older black-and-white programmes, the company having an unofficial policy of retaining as much of its broadcast material (albeit by telerecording) as possible despite financial hardship in its early years. This includes the entirety of the soap opera "Coronation Street" which is now held at the Yorkshire Television archive, which itself possesses largely intact archives, although some early colour shows from the late 1960s and the early 1970s such as the entire output of the drama "Castle Haven", the first two series of "Sez Les" and the children's variety show "Junior Showtime" are missing and believed wiped. The former ITV company Thames Television also has a significant library.