Portia de Rossi quit acting in the middle of 2017, but Mitchell Hurwitz convinced her to work on a story line for Lindsay and to be on 5 episodes of season 5.
"Do a something search" is said again because Google continues to refuse to have its logo be seen.
Maeby tells George-Michael to put a video of him punching Michael in the face on a website called Dadfights, riffing on the Boyfights concept (with sons fighting their fathers instead of brothers fighting each other).
Michael spells out Tobias's license vanity plate to Lt. Toddler, who correctly deciphers it as "A new start."