However if you are up for minimal prep start with the Tennant Xmas special of 'The Runnaway Bride' then pick up with the Tennant/Donna pairing with season four of new Who starting with Partners in Crime.

Source: https://comicbookmovie.com/tv/bbc-america/doctor-who/doctor-who-showrunner-teases-scary-violent-specials-and-shares-challenges-of-working-with-disney-a207861

Smashburger has hired Partners in Crime as its new agency of record as the burger chain looks to strengthen its digital channels in a crowded burger category.

Source: https://adage.com/article/agency-news/smashburger-hires-partners-crime-agency-record/2512706