When Doug makes the sandwich, he puts a small piece of lettuce on it that grows and multiplies between shots.
The beer that Bryan Cranston opens is not Dutch, but Belgian: "Grimbergen" made since 1128
At about the 17:10 mark. Tim Sacksky (Bryan Cranston) can be seen through the garage window waiting for his cue to enter the enter the garage. He notices he is on camera and steps back, and out of frame.
Tim pronounces Swarthmore with two R's, but its pronounced "Swathmore." The first R should be silent.