21. If they get ahold of laughing gas , you have to slap some sense into them. 22. "Instant City, " designed by Peter Cook in 1968, was a megastructure on laughing gas . 23. The Black Glove terminated with the Joker's laughing gas . 24. Throw in Latka, Alex and Louie and it was season after season of laughing gas . 25. The criminals attack Calculus and the detectives with laughing gas and take the children away. 26. Bassie proves immune to the blubbering gas as he's had an overdose of laughing gas . 27. However a large bottle of laughing gas has been placed just off-stage, and begins to leak. 28. Quipped Romando about Houston's demeanor, " I guess laughing gas can do that to you ." 29. Dare has been captured by the enemy, they are instructed to detonate a laughing gas shell. 30. Laura, who was closest to the exhaust, started feeling like she'd just been given laughing gas .
