Working as a staff writer, Johnny Carson filled in as host when Red Skelton was injured during a show rehearsal. As a result of Carson's performance, CBS created the primetime sketch show The Johnny Carson show, a traditional potpourri of comedy, music, dance, skits and monologues.

Go behind-the-scenes of a live sketch comedy show. Watch as Jack comes back to GE; Liz gets a visit from an adoption agency caseworker; Liz sits next to Oprah on her flight from Chicago to New York; Tracy and Jenna conduct a 'social experiment;' Jack hooks up with Liz's psycho ex-roommate; Liz thinks she has found the perfect mate; Don Geiss wakes from his coma; Jack falls in love with his mother's nurse; Liz has a disastrous first date; Jack gets...