[1] The two-part episode aired at an earlier time, 8:00 p.m., to leave room for the two-hour series finale of Cheers, whose timeslot was subsequently claimed by Seinfeld at the start of the 1993-94 season in September 1993.
George is obsessed with a potentially cancerous white spot on his lip and a box of raisins taken by Tom Pepper, the actor playing Kramer.
Unable to use various public facilities, he makes his way to his apartment through Central Park but is further delayed by being mugged and "misses his chance," resulting in constipation.
At the taping of the pilot, "Crazy" Joe Davola leaps out of the audience and onto the set while yelling "Sic semper tyrannis!"
In order to prove himself worthy of Elaine, Russell joins Greenpeace and is lost at sea during a botched assault on a whaling ship.
[2] Numerous guest stars from previous episodes of Seinfeld made cameos in the episode, watching and commentating on Jerry's pilot as it airs, specifically Brian Doyle-Murray as Mel Sanger, Tony Amendola as Salman Rushdie, Teri Hatcher as Sidra Holland, Jon Hayman as Donald Sanger, Nicholas Hormann as Calvin Klein, Jennifer Campbell as Tia Van Camp, Bill Erwin as Sid Fields, Wayne Knight as Newman, Jane Leeves as Marla Penny, Barney Martin as Morty Seinfeld, Liz Sheridan as Helen Seinfeld, Rick Overton as The Drake, Elizabeth Dennehy as The Drakette, Heidi Swedberg as Susan Ross, and Ping Wu as Ping.