How to cryptically represent ET?

• Long-running show about a Time Lord
• Cybermen's foe
• TV series featuring a robotic dog named K-9
• BBC sci-fi series that debuted in 1963: 2 wds
• Realise how to produce popular TV show?
• Time traveler of TV
• Series about a time lord
• Do this and you might see how I go back in time
• BBC hero since 1963

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