From episode 10x03 "Columbo and the Murder of a Rock Star".
Frank hires stewardesses in a scene set up at the Ebell Club.
The gang meets up at the big "Non Holiday Specific Seasonal Dance" their school is hosing to avoid suspicion and two different couples have first moments together in episode 1x09 "Doomsday".
From episode 3x12 "The Grown-Ups".
Where Annette volunteers.
From episode 1x01 "Now Is Not the End".
The a capella concert was filmed at the Wilshire Ebell Theatre.
The President (Harrison Ford) gives a speech while in Russia, filmed at the Ebell Club.