That comment was batman trivia.
I believe the line was delivered after the only true character death in the tv series.
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BorisKarloff is in the back of the classroom forever,
Sat 18 May 2019, 3:57,
archived)
:)
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PedroHin Come along & ride on a Flantastic Voyage,
Sat 18 May 2019, 12:27,
archived)