From episode 10x03 "Columbo and the Murder of a Rock Star".
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".
Frank hires stewardesses to aid in his escape from Miami.
From episode 3x12 "The Grown-Ups".
From episode 1x01 "Now Is Not the End".
Where Annette volunteers.
The President (Harrison Ford) gives a speech while in Russia, filmed at the Ebell Club.
The a capella concert was filmed at the Wilshire Ebell Theatre.