On 25 June, the following important behind-the-scenes events were known to have occurred:
- 1965 - "A Battle of Wits" was recorded at BBC Television Centre Studio 4. (INFO: "A Battle of Wits")
- 1965 - Pre-filming for Galaxy 4 concluded at Ealing Studios. Pre-filming for Mission to the Unknown also took place on that day at Ealing, showing Jeff Garvey mutating into a Varga plant. (TCH 6)
- 1969 - A full script was requested from David Whitaker for The Carriers of Death. He submitted two in July.
- 1998 - Recording for Oh No It Isn't! began.
- 2009 - Recording for A Thousand Tiny Wings took place at The Moat Studios.
- 2012 - Recording for The Flames of Cadiz took place at The Moat Studios.
- 2013 - Recording for Scavenger took place at The Moat Studios.
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