This television episode refers to:
March 6, 1987 - July 10, 1998
The title is a reference to Roger Murtaugh, Danny Glover's character in the Lethal Weapon film series, who is constantly pondering retirement. The laser tag owner speaks to Ted and tells him he is "too old for this sh-" before Future Ted claims the word is "'Stuff.' He said 'stuff,'" which is a running joke from the film series.