He watched 2*20=<<2*20=40>>40 minutes of Jeopardy.
Wheel of Fortune is 2*20=<<2*20=40>>40 minutes each.
So he watched it for 40*2=<<40*2=80>>80 minutes.
So he watched 40+80=<<40+80=120>>120 minutes of TV.
That means he watched 120/60=<<120/60=2>>2 hours of TV.
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