( CNN ) -- Is it a thing or once again a show of a whole bunch of nothing ? Reports are circulating about `` Seinfeld '' costars Jerry Seinfeld and Jason Alexander after they were spotted outside Tom 's Restaurant in New York on Monday . Better known to `` Seinfeld '' fans as Monks , it 's a spot that the popular NBC series helped make famous after shots of its exterior were used in the show . The Huffington Post reported that Twitter user Ali Philippides tweeted a pic of the pair entering the Upper West Side restaurant . She told the publication that the celebs were filming inside , and the tip has sparked speculation about to what they are up to . Reunion ? Super Bowl commercial ? An episode of Seinfeld 's Web series , `` Comedians in Cars Getting Coffee '' ? Because we are almost positive there is coffee there . According to Gothamist , `` Seinfeld '' co-creator and `` Curb Your Enthusiasm '' star Larry David was also seen exiting the eatery . As Jerry would say , `` What . Is . Going . On ? ''
`` Seinfeld '' stars spotted at iconic eatery . ``I think it's a great idea to have the cast of "Seinfeld" in New York City for this event,'' said Jerry Stiller, who is hosting the event. ' Reports of filming inside have sparked speculation .