Crossword Puzzle Sidekick of early TV

Clue: Sidekick of early TV

Leaves early, as an office (VACATES with 7 letters)
Sidekick in early oaters (GABBYHAYES with 10 letters)
Early offspring (CAIN with 4 letters)
Early TV offering (GMA with 3 letters)
Sid's sidekick of early TV (IMOGENE with 7 letters)
Leaves the office early? (RESIGNS with 7 letters)
Early Atari offering (PONG with 4 letters)
Early Microsoft offering (DOS with 3 letters)
Spy's reaction to an early retirement offer? (DESKJOBINTERESTSAGENT with 21 letters)
Early folk flute (PANPIPE with 7 letters)