Rabbi Elazar allowed bills to be read to him, without reading them himself, when they were brought for his signature as witness: Gittin 19b
How he began his teaching of the Purim Story: Megillah 11a
Rabbi Elazar rescinded a man's vow, when the man claimed that he would not have vowed if others hadn't antagonized him at the time: Nedarim 21b
Rabbi Elazar was so immersed in his study that he forgot his other affairs; he would learn in the upper market in Tzippori, and forget his belongings in the lower market. Once someone came to take them, and found a snake there [protecting them]: Eruvin 54b
Out of mercy, Rabbi Elazar sought to convince orphan sons to support their sister from movable items from the estate [in the absence of land]. His student Rabbi Shimon ben Elyakim protested that Rabbi Elazar's mercy could lead to incorrectly establishing this as law in the future: Ketuvot 50b [as explained in Maharshal there]
Physical Suffering removed by Rabbi Yochanan: Berachot 5b
Crying over the eventual death of Rabbi Yochanan: Berachot 5b
Using Rabbi Yochanan's argument, without citing him: Ketuvot 25b
Rav Asi took care of his mother in her old age, until she became senile, and he moved to Israel. When she followed him, he asked Rabbi Yochanan whether he should leave to greet her, and after an initial "I don't know," Rabbi Yochanan blessed him. Uncertain whether Rabbi Yochanan was angry at him, Rav Asi asked Rabbi Elazar for his opinion, and Rabbi Elazar replied that Rabbi Yochanan was not angry at him: Kiddushin 31b
Rabbi Yochanan said there were two cases which fit a rule, and listed one. Rabbi Elazar asked which was the other one, and Rabbi Yochanan told him to figure it out himself, which he did: Makkot 16a
A sage rejecting a potential explanation/justification of Rabbi Yochanan's view, because Rabbi Elazar was Rabbi Yochanan's student, and Rabbi Elazar did not suggest that explanation/justification: Temurah 25b
Rabbi Chanina bar Yosef, Rabbi Chiyya bar Abba and Rabbi Asi were staying in an inn together and had a Halachic question; Rabbi Chanina bar Yosef gave a leniency, which Rabbi Asi opposed. Rabbi Chiyya bar Abba said, "Let us depend on the elder," which they did. They later asked Rabbi Yochanan, and he approved of their actions, to the amazement of the students in Neherdaa and of Rabbi Elazar: Eruvin 65b-66b
Rabbi Elazar asking questions, and Rabbi Yochanan expressing shock, "How could it be that this one grew up among us for many years, and he did not hear this halachah from me!": Keritot 27a
Rabbi Elazar asking a question, and Rabbi Yochanan expressing shock, "How is it that no one asked us this question all these years?": Keritot 27a
Rabbi Elazar saying, "I saw Rabbi Yochanan in a dream, and so I knew that I was going to teach a correct idea that day": Bechorot 5a
Rabbi Elazar stated a legal position using the language of his Rebbe Rabbi Yochanan, even though it was not clear and led people to think there was a dispute, because one must use the wording that his Rebbe uses: Bechorot 5a
Interaction with other Sages
Mar Ukva sent letters to Rabbi Elazar asking what he could do about ruffians who were bothering him; Rabbi Elazar told him to wait, and they would be punished, and so it happened that they were jailed: Gittin 7a
Ulla came to Pumbedita and refused to examine a case of menstrual blood, because Rabbi Elazar had refused to examine a case when in Rabbi Yehudah's town: Niddah 20b
Ulla called Rabbi Elazar, "Master of Israel" [because of a case in which Rabbi Ami witnessed Rabbi Elazar correctly identify a type of blood from the genitals, by the smell of the blood]: Gittin 19b; Niddah 20b
Rabbi Elazar saying to Rabbi Yoshiyah [the Junior], "Don't sit down until you explain" a certain law: Kiddushin 36b; Menachot 71a
Rabbi Elazar expressed amazement at an opinion. Rabbi Zeira asked what his problem was. Rav Sheshet asked, "A great man like Rabbi Zeira doesn't know what was bothering Rabbi Elazar?!" Rav Sheshet then explained it: Eruvin 66a
Rabbi Elazar termed Rabbi Yudin, "The Leader of the Generation": Kiddushin 21b
Rabbi Elazar was corrected by Rabbi Abba bar Zavda, and he acknowledged it by citing the verse, "Two are better than one": Megillah 5b
Rabbi Elazar said of Rabbi Chanina, "His humility allows me to rule" on certain cases, because if one of such humility could rule on them, Rabbi Elazar felt that he could, too: Niddah 20b
Reish Lakish and Rabbi Elazar had a disagreement about a law, and in a later discussion Rabbi Yochanan stated an opinion matching what Rabbi Elazar had said, leading Reish Lakish to express anger at Rabbi Elazar for not citing the view as Rabbi Yochanan's view: Makkot 5b
Rabbi Elazar didn't come to the study hall once, and he found Rabbi Asi and asked him what they had learned that day in the study hall: Eruvin 47a
Rabbi Elazar was ill and he did not come to the study hall; he asked Rabbi Asi what had been learned that day: Bechorot 3a-b
Rabbi Elazar asked a follow-up question on a case to Rav Yisrael, who responded with the verse, "Give to a wise man and he will become still wiser," meaning that the answer should be clear from the original case: Eruvin 65b
Rav Beruna once cited a lesson taught by Shemuel, and Rabbi Elazar couldn't believe Shemuel had said it. Rabbi Elazar challenged Rav Beruna to show him where Shemuel was staying, which he did. R; Elazar asked Shemuel whether he had said it, and Shemuel confirmed it. Rabbi Elazar challenged the lesson based on another of Shemuel's statements, and Shemuel was silent; it was unclear whether Shemuel had accepted Rabbi Elazar's point.: Eruvin 74a-b
Rav Beruna cited a lesson taught by Rav, and Rabbi Elazar couldn't believe Rav had said it. Rabbi Elazar challenged Rav Beruna to show him where Rav was staying, which he did. R; Elazar asked Rav whether he had said it, and Rav confirmed it. Rabbi Elazar challenged the lesson based on another of Rav's statements, and Rav explained the difference.: Eruvin 85a-b
Rabbi Elazar citing a lesson which had been taught in the Study Hall of Rav, when Rav Elazar had been in Bavel: Eruvin 89b
Rabbi Yehoshua ben Levi mentioned there were 24 instances of a certain law, and when Rabbi Elazar asked that he enumerate them, Rabbi Yehoshua ben Levi said, "Go find them": Berachot 19a
Rav identifying Rabbi Elazar as "Tuvina daChakimi" - the best of the sages: Keritot 13b
Rabbi Elazar provided a tannaitic source to support Reish Lakish's argument, and Reish Lakish replied, "I brought you a mishnah, and you bring me a lone tanna to support me?": Zevachim 5a