Initially, Courtney was not attracted to Alejandro, as she was still romantically involved with Duncan at the time. After finding out that Duncan had cheated on her with Gwen, Alejandro was able to use Courtney's emotional weakness and not long afterwards, she falls madly for him. This attraction caused the irony of Heather, as she too had feelings for Alejandro. However, Alejandro did not return her feelings as he was merely using her as a tool for him to continue further into the competition. Courtney would continue to help Alejandro after the merge, leading to her downfall and subsequent elimination. Even so, Courtney continues to be attracted to Alejandro, and was his most active supporter in the finale, even when everyone else hated him. By the time Total Drama All-Stars started, Courtney appears to have lost her attraction for Alejandro and is now attracted to Scott. In addition to this, it appears that Courtney no longer look at him positively, indicating that any bonds between them no longer exist.
Courtney shows aggravation at Alejandro when she watches him on the Gemmie Awards messing up the opening of the envelope for "Best Reality Show Cast," as he is very slow in opening it. Both characters are the respective drivers racing against one another attempting to reach New York to get on the Orpah talk show: Courtney for the Total Drama castmates, Alejandro for Total Drama Dirtbags. At one point, Courtney collides into the Dirtbag bus in order to get ahead of them.
Alejandro attempts to flirt with Courtney, although she rejects him by stating that she already has a boyfriend. Alejandro counters with calling Duncan a quitter, also adding that he doesn't deserve her. Courtney tries to reply, but begins doubting herself. Courtney and Heather taunt Alejandro's team during the challenge; the former yelling at them to "eat sand" and calling them "losers." He calmly responds that he's "both humbled and intrigued" by their behavior.
Courtney disagrees with Alejandro's idea of Team Chris Is Really Really Really Really Hot riding on Owen as their sausage for the meat-packing challenge.
Alejandro immediately agrees with Courtney after she tells Chris the birth of the Olympics was in Greece, not Rome.
Alejandro knows that making Courtney flirt with another male contestant will throw her off, leading to her attempt to go after Tyler. After Tyler's elimination, Alejandro is seen smirking with Duncan, knowing Courtney has been thrown off the deep end.Shear the Sheep, when she specifically tells Heather that she failed at her chance at Alejandro and that she has a right to go after him for herself. However, Alejandro shows interest beyond the performance when Courtney bluntly tells him she wants to lose on purpose as means to eliminate Gwen. She seems to really be falling for him though, as she asks for Heather's permission before she pursues him any further.
When Alejandro is taken by Heather after Sierra refused to take him for the marriage competition, Courtney shows extreme jealousy towards her for stealing him. She places her elimination as number one on her to-do list in a confessional. After witnessing Duncan intentionally making Courtney lose her place in the blindfold wedding dress race, Alejandro steals the megaphone away from him to help her get the dress, claiming to Duncan it was "to protect him" due to his pairing with Courtney in the wedding challenge. Courtney becomes further steamed seeing Alejandro sweet-talking Heather at the start of the Niagara Falls crossing, to the point that her elimination for the sake of gaining Alejandro was what mattered most to her. However, Alejandro later tells Heather that he needs Courtney to survive forward and that he can control her for his own purposes, showing that he shows no interest in Courtney or concern for Courtney's future.
During This Is How We Will End It, Alejandro sings that he "made even Courtney lose control," implying that he non-remorsefully used her earlier on in order get himself further into the competition.Tyler, Katie, Sadie, and Lindsay go on Team Alejandro. When asked to pick an animal that relates to Alejandro the most, Courtney chooses the jaguar, because he is smart, lean, and fast. She volunteers to compete for Team Alejandro for the challenge, in which Courtney surfs in a race against Harold and Blaineley. By reaching her jaguar and placing her lei around its neck before Harold and Blaineley succeed, she wins the challenge and reward: an advantage for Alejandro to use in the finals. Lindsay, both in creating the effigy of Heather during Versus, as well as assisting him in trying to stop Heather during the climbing of the volcano.
Courtney appears to be jealous of Heather and glares at Alejandro (who is still inside the Drama Machine) with Heather in his arms.
Alejandro commends Courtney for her plan, but later scolds her when realizing its flaws.
After being convinced by Heather that Alejandro wants to vote out Scott, Courtney votes Alejandro off and tells Gwen to do the same. Alejandro receives the highest votes, but uses the McLean-Brand Chris Head to save himself and eliminate Heather.
Before the challenge, Courtney shows open disgust for Alejandro's actions against Heather in the previous episode, and tells him to not count on finding anymore allies in the game and then derogatorily refers to him as "Al", which he still hates. Just before it's Alejandro's turn in the boxing challenge, Courtney jokes to Gwen that he'll probably be forced to face Heather, and seems to be eager to see such a match unfold.
When Chef Hatchet destroys Courtney and Gwen's engine, Alejandro acknowledges them spitefully as he passes them in the race. Later, his own vehicle stops just short of the finish line, prompting Courtney to joke that he'll have to "Alejandro-row-row" it. Along with the other competitors (except Duncan), she is seen wanting him to take her to the McLean Spa Hotel.
Scott asks Courtney if she ever kissed Alejandro, after he misunderstands the lie Mal told him. Courtney says they did kiss before, but it was years ago and she was not in a relationship at the time. Mal then persuades both Scott and Courtney to join him in eliminating Alejandro, which she happily accepts.
- They were both the main antagonist of a season.
- They are the only contestants to be voiced by more than one voice actor.
- Courtney was initially voiced by a different voice actor in the first two episodes of the series, but is then replaced by Emilie-Claire Barlow.
- Alejandro is voiced by Marco Grazzini in Total Drama Action and Total Drama World Tour, then later by Keith Oliver after being incarcerated into the Drama Machine. In Total Drama All-Stars he is voiced by Alex House.
- They are two of the few characters to have their ethnicity confirmed, and are the only contestants confirmed to be Hispanic.
- They have started out the most amount of songs of their respective genders.
|Interactions with||Everyone | Female contestants | Bridgette | Chris | Cody | Courtney | Duncan | Heather | Noah | Owen | Sierra|
|Other content||Alejandro's alliances | Drama Machine | José | Total Drama Dirtbags|
|Interactions with||Everyone | Alejandro | Beth | Bridgette | Chris | Duncan | Gwen | Harold | Heather | Lindsay | Scott|
|Other content||Courtney's alliances | Courtney's lawyers | Courtney's Personal Digital Assistant|